Application of cool pads and spraying of water on the skin lowers the body temperature by increasing the rate of evaporation.
How does the application of cool pads and spraying of water on skin lower body temperature?Application of cold water to the skin can be achieved by either sponging patient or using spray bottle. Placing fan to blow directly on patient while also spraying or sponging will increase rate of evaporation, and therefore will more rapidly decrease body temperature
Spraying water on your body helps cool it off because of evaporative cooling. Turning liquid from its liquid state into a gas requires energy. This energy is taken from our body in the form of heat and the resulting heat transfer leads to desired cooling effect.
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4. A point charge of 1 μC experiences an electric force of 0.02 N. What is the magnitude of electric field at that point?
The magnitude of the electric field at that point is 2 × 10⁷ N/C.
What is the magnitude of electric field at that point?
The electric field at a point can be determined from the force experienced by a charge at that point, using the equation:
E = F/q
where;
E is the electric field, F is the force experienced by a charge, and q is the charge.In this case, the force experienced by a charge of 1 μC (or 1 × 10^-6 Coulombs) is 0.02 N, so the electric field can be calculated as follows:
E = F/q = 0.02 N / (1 × 10^-6 C)
E = 2 × 10⁷ N/C
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Find the difference in potential consumed by a blower of 3.0 x 10 e2 j/s and a current of 3 c/s in a time of 5.10min.
The blower uses 100 volts of the difference in potential when consumes current of 3 c/s in a time of 5.10min
What materials make up an electric bulb?The bulb is filled with a gas, typically a mixture of nitrogen and argon, that reduces the oxygen in the bulb to help stop the filament from burning. A filament with a high electric current resistance is made of a special wire, usually tungsten.
First, we should convert the power and the time:
Power of blower = 3.0 x 10² J/s
= 3.0 x 10² W
Time = 5.10 min
= 5.10 x 60 s
= 306 s
Now, Charge = I × t
= 3 A × 306 s
= 918 C
Finally, we can calculate the potential difference consumed:
ΔV = P × t / Q
ΔV = (3.0 x 10² W) × (306 s) / (918 C)
ΔV = 100 V
When a switch is pressed, how does a bulb turn on?An electrical circuit is completed when a switch is turned on, allowing electric current to flow through its wires. Through the switch, along the wires, and into the light bulb, the current flows from the power source.
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A 2.0 Ω resistor is connected across a 6.0 V power supply. An ammeter with internal resistance of 1.0 Ω is used to measure the current in this circuit. What is the ammeter reading?
Ammeter with internal resistance of 1.0 Ω, gives reading of 2.0 A.
To determine the ammeter reading, calculate the total resistance of the circuit and then use Ohm's law to find the current.
The total resistance of the circuit is the sum of the resistance of the 2.0 Ω resistor and the internal resistance of the ammeter, which gives,
R_total = R_1 + R_ammeter = 2.0 Ω + 1.0 Ω = 3.0 Ω
Using Ohm's law, calculate the current in the circuit,
I = V / R_total
where V is the voltage of the power supply.
Substituting the given values,
I = 6.0 V / 3.0 Ω = 2.0 A
Therefore, the ammeter reading is 2.0 A.
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The key difference between obsessions and compulsions involve repetitive... Behaviors. A person troubled by repetitive thoughts or actions is most likely
experiencing obsessive-compulsive disorder (OCD). Obsessions are persistent and unwanted thoughts, images, or impulses that are intrusive and cause anxiety or distress.
define compulsions ?
Compulsions are repetitive behaviors or mental acts that an individual feels compelled to perform in response to an obsession or according to certain rules or in a stereotyped fashion. They are typically aimed at reducing anxiety or distress or preventing a dreaded event, even though these behaviors or acts are often excessive or not realistically connected to the situation. Compulsions are a hallmark feature of obsessive-compulsive disorder (OCD) and can take various forms, such as cleaning, checking, counting, repeating, ordering, arranging, or mental acts like praying, repeating phrases silently, or mentally reviewing events.
experiencing obsessive-compulsive disorder (OCD). Obsessions are persistent and unwanted thoughts, images, or impulses that are intrusive and cause anxiety or distress. Compulsions are repetitive behaviors or mental acts that a person feels driven to perform in response to an obsession, or according to rigid rules, to reduce the anxiety caused by the obsession.
People with OCD may engage in compulsions in an attempt to neutralize or counteract their obsessive thoughts.
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What happens to the number of valence electrons as you move from element 1 to element 18 on the Periodic Table?
When we move from element 1 to element 18 on the periodic table the number of Valence Electrons as we move increases.
The elements 1 to element 18 are located in the group 1-2 and group 13-18 of the periodic table.
Now when we move from element 1 to element 18 we are basically moving from left to right in the periodic table and as we move from left to right we see that the number of valence electrons in the group increases by one from the one element to the next in the periodic table.
This is due to the increasing atomic number of the elements.
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In a student-designed experiment, a 4 kg bowling ball is pushed with a broom using an applied force of 10 N. If the friction force on the bowling ball is 1 N, what will be the acceleration of the ball?
Answer:
a = 2.25 m/s^2
Explanation:
The solution is in the image. Also, knowing this picture is from a Schoology assessment page, if this is a test, try to solve the question yourself before asking for help. Also, specify which part you need help on.
the line current in a balanced three-phase, wye-connected, resistive load is 25 a. what will happen if the neutral wire is disconnected?
Because of the imbalance, the power protection circuits will activate
if the neutral wire is unplugged.
If the neutral wire is damaged or disconnected, the out-of-balance current cannot, but must, return to the supply via the star point. As a result, this current follows the wires back to the source. The neutral current and neutral power in a balanced system are both zero. A balanced three-phase system may be thought of as three single-phase systems linked to a neutral line. As a result, if the supply voltage and motor impedance are both balanced, the induction motor draws a balanced current. The balancing current in the motor's three phases results in no current in the neutral. As a result, there is no need for a neutral in a three-phase induction motor.
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If a meteor with a 20 m in diameter impacts Earth on land, approximately how big will the crater be?A. 200-400 m in diameterB. 300-500 m in diameterC. 400-600 m in diameterD. 500-700 m in diameter
If a meteor with a 20 m in diameter impacts Earth on land, approximately the crater will be 200-400m in diameter long.
The size of the crater created by a meteorite impact depends on several factors, such as the composition of the meteorite and the density of the material it impacts. Generally speaking, a 20 m in diameter meteorite would create a crater with a diameter between 200 and 400m. A few meters to several hundred meters can make up the crater's depth. A crater will most likely be created at the point of impact when a meteor impacts a planet. The size of the crater will increase as the object moves faster and becomes larger or heavier. The biggest predictors of impact crater size are the meteor's mass and velocity.
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the national institute of health is testing sensors which measure the energy felt by goalkeepers when blocking soccer balls coming at them and the velocity of soccer balls. one sensor measuring velocity is inside a 16 ounce soccer ball, which after being rolled at 0.5 m/s is kicked by a player upon which it is found to have an average velocity of 31 m/s. the goalkeeper blocks the ball, which then rolls back towards the player at a velocity of 2.25 m/s. how much energy in joules should the sensor say the goalkeeper absorbed, not accounting for wind and drag? (
The sensor should say that the goalkeeper absorbed about 216.998 J of energy when blocking the soccer ball, not accounting for wind and drag.
To calculate the energy absorbed by the goalkeeper, we can use the law of conservation of energy, which states that the initial energy of the ball before the kick is equal to the sum of the kinetic and potential energy after the kick and after the ball is blocked by the goalkeeper. We can assume that the ball is initially at rest before the kick, so the initial energy is zero.
The final kinetic energy of the ball after the kick can be calculated as:
[tex]KE1 = (1/2)mv1^2[/tex]
where m is the mass of the ball (converted to kg) and v1 is the velocity of the ball after the kick. Substituting the given values, we get:
[tex]KE1 = (1/2) (0.454 kg) (31 m/s)^2[/tex] = 218.147 J
The potential energy of the ball at this point is also zero since it is on the ground.
When the goalkeeper blocks the ball, the kinetic energy of the ball is transferred to the goalkeeper, so the energy absorbed by the goalkeeper is equal to the kinetic energy of the ball before it was blocked. The final kinetic energy of the ball can be calculated as:
[tex]KE2 = (1/2)mv2^2[/tex]
where v2 is the velocity of the ball after it is blocked and rolls back toward the player. Substituting the given values, we get:
[tex]KE2 = (1/2) (0.454 kg) (2.25 m/s)^2[/tex] = 1.149 J
The energy absorbed by the goalkeeper is then the difference between the initial kinetic energy of the ball and the final kinetic energy of the ball:
Energy absorbed = KE1 - KE2 = 218.147 J -1.149 J = 216.998 J
Therefore, the sensor should say that the goalkeeper absorbed about 216.998 J of energy when blocking the soccer ball, not accounting for wind and drag.
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A pilot was asked to drop food packets in a terrain. He must fly over the entire terrain
In order for the pilot to drop food packets over the entire terrain, he must fly in a specific pattern to ensure that no areas are missed.
One common pattern used for this type of operation is called the grid pattern. In the grid pattern, the terrain is divided into a grid of equal-sized squares. The pilot then flies over the terrain in a series of parallel lines, dropping food packets at regular intervals. Once the end of the terrain is reached, the pilot turns and flies back in the opposite direction, dropping packets at the same regular intervals. The distance between the parallel lines is determined by the size of the squares in the grid, and the regular intervals at which packets are dropped are determined by the desired coverage density. By flying in this pattern, the pilot can ensure that no areas of the terrain are missed, and that the food packets are distributed evenly throughout the entire area. This method is commonly used in agriculture and forestry applications, as well as in search and rescue operations.
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hazel and emilie fly from atlanta to san diego. the flight from atlanta to san diego is against the wind and takes 4 hr. the return flight with the wind takes 3.5 hr. if the wind speed is 40 mph, find the speed of the plain in still air
The speed of the plane in still air is 600 mph. the flight from Atlanta to san diego is against the wind and takes 4 hr. the return flight with the wind takes 3.5 hr.
What is the rate of a moving object?Speed is calculated by dividing the distance traveled by the distance's travel time. The equation can be used to determine speed: Speed is defined as the product of distance divided by time, and the unit of speed is the product of distance divided by time.
What does physics mean by speed?Velocity is the pace and direction of an object's movement, whereas speed is the time rate at which an object is traveling along a path. In other words, velocity is a vector, whereas speed is a scalar value.
Let x mph be the speed in still air. Then flight against the wind is at (x-40)mph and with the wind is (x+40)mph
3.5 (x+40) =4(x-40)
3.5x +140 = 4x - 160
3.5x - 4 x = -160 - 140
-0.5x = -300
x = 300/0.5
x = 600 mph
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What is the sum of kinetic and potential energy?
Answer:
Kinetic energy plus potential energy equals total mechanical energy. The equation for this is KE + PE = Total Mechanical Energy, where KE is kinetic energy, PE is potential energy, and Total Mechanical Energy is the total amount of energy present.
what is the linear velocity in miles per hour of the tip of a lawnmower blade spinning at 2500 revolutions per minute in a lawnmower that cuts a path that is 22 inches wide?
The linear velocity in miles per hour of the tip of the lawnmower blade spinning at 2500 revolutions per minute in a lawnmower that cuts a path 22 inches wide is approximately 2.724 miles per hour.
To determine the linear velocity in miles per hour of the tip of the lawnmower blade, we need to use the following formula:
v = ωr
Where:
v is the linear velocity of the tip of the lawnmower blade in miles per hour
ω is the angular velocity of the lawnmower blade in radians per minute
r is the radius of the lawnmower blade.
We know that the lawnmower blade is spinning at 2500 revolutions per minute. To convert revolutions per minute to radians per minute, we need to multiply by 2π. So, the angular velocity of the lawnmower blade is: ω = 2500 rpm * 2π/60 = 261.66 rad/min
The lawnmower blade's radius is half the width of the path it cuts. Since the path is 22 inches wide, the radius is: r = 22 inches / 2 = 11 inches. To convert inches to miles, we need to divide by 63,360 (the number of inches in a mile). So, the radius in miles is:
r = 11 inches / 63,360 inches/mile = 0.0001736 miles
Now, we can use the formula to find the linear velocity:
v = ωr = 261.66 rad/min * 0.0001736 miles = 0.0454 miles/min
To convert miles per minute to miles per hour, we need to multiply by 60. So, the linear velocity in miles per hour is:
v = 0.0454 miles/min * 60 min/hour = 2.724 miles/hour
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Linear velocity in miles per hour of the tip of a lawnmower blade spinning at 2500 revolutions per minute in a lawnmower that cuts a path that is 22 inches wide is 2.724 miles per hour.
Velocity is the rate of change in position of an object with the specific time period or time range . When the object moves along a straight path or the linear path with a particular velocity than that velocity is termed linear velocity. It is given as the ratio of distance covered to time.
The linear velocity formula is v = d/t.
v = ωr
v is linear velocity
ω is angular velocity
r is radius
v = ωr = 261.66 rad/min * 0.0001736 miles = 0.0454 miles/min
v = 0.0454 miles/min * 60 min/hour = 2.724 miles/hour
Angular velocity is basically a time rate at which an object rotates, or an object revolves, about an axis, or the rate at which angle of the body changes.
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if all the mass of an electron were converted to electromagnetic energy, what would be the (a) energy of the photon, in joules and in million electron volts? (b) wavelength of the photon, in angstrom units?
a) Energy of the photon, in joules and in million electron volts is 8.1 x 10⁻¹⁴ Joule and 0.505 MV b) wavelength of the photon, in angstrom units is 0.0245 A.
The distance between two corresponding spots on the adjacent waves is the wavelength. Small, uncharged particles that move at the speed of light are called photons.
It is possible to make and destroy photons while maintaining momentum and energy. As a source emits EM waves, photons are produced, and when they come into contact with matter, they may be absorbed and have their energy transferred.
Mass = 9.1 x 10⁻³¹ kg
C = 3x10⁸ m/sec
a) Energy = mc²
= 9.1x10⁻³¹ x (3x10⁸)²
= 8.1 x 10⁻¹⁴ Joule
1joule = 6.24 x 10¹²
Energy E = 8.1 x 10⁻¹⁴ x 6.24x10¹²
E = 0.505 MV
b) E = h/λ
= 8.1x10⁻¹⁴
= 6.625 x 10⁻³⁴ x 3 x 10⁸/λ
λ = 2.45x10⁻¹² m
= 2.45x10⁻² A
= 0.0245 A
m = E/c²
= 1.3194x10⁸/(3x10⁸)²
= 0.1466 x 10⁻⁸ kg
m = 1.47 x 10⁻⁶ gram.
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Complete question:
If all the mass of an electron were converted to electromagnetic energy, what would be the (a) energy of the photon, in joules and in million electron volts? (b) wavelength of the photon, in angstrom units? 3.28. The thermal energy content of 1 U.S. gal (3.79 L) gasoline is 36.65 kW hours. To what weight of nuclear fuel, grams, does this amount of energy correspond?
a particle accelerates uniformly from a speed of 30 cm/s to 40 cm/s in 5 s and thereafter moves at a constant speed of 40 cm/s for an additional 3 s. the average speed over this total time interval is
The average speed over the entire 8-second time interval is calculated by taking the total distance moved (30 cm + 40 cm = 70 cm) and dividing it by the total time (8 seconds). Average speed = (30 + 40) cm/s / 2 = 35 cm/s
What is Average speed ?Average speed is the average rate of change of an object's position over time. It is a measure of the distance traveled divided by the time taken to travel that distance. It is measured in units such as miles per hour, kilometers per hour, meters per second, and so on. Average speed is calculated by dividing the total distance traveled by the total time taken. It can be a useful metric for measuring the efficiency of movement, as it takes into account the entire distance and not just the maximum speed.
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how did the ptolemaic model explain the apparent retrograde motion of the planets? the planets resided on giant spheres that sometimes turned clockwise and sometimes turned counterclockwise. the planets resided on giant spheres that sometimes turned clockwise and sometimes turned counterclockwise. the planets sometimes stopped moving and then reversed to move backward along their circular orbits. the planets sometimes stopped moving and then reversed to move backward along their circular orbits. the model showed that apparent retrograde motion occurs as earth passes by another planet inits orbit of the sun. the model showed that apparent retrograde motion occurs as earth passes by another planet inits orbit of the sun. the planets moved along small circles that moved on larger circles around earth.
Some planetary phenomena defied explanation by Aristotle's universe model. Retrograde motion was the most obvious of these. Each planet appears to move in reverse at times when it is in retrograde motion, slowing down briefly before picking up speed again. As they move through the sky, planets also get brighter or dimmer. Neither phenomenon could be adequately explained by Aristotle's model.
What is Aristotle's model ?
The celestial and the terrestrial were Aristotle's two divisions of the cosmos. The Earth, Moon, and the region between them, known as the sub lunar region, were all considered to be parts of the terrestrial realm. The terrestrial world was characterized by change and flaws.
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QuestionThe kelvin scale has its ________set to absolute zero which is the _________possible temperature that exists in the universe.AzeroBlowest
As one scale for another, both scales are connected. One unit on the Kelvin scale is equivalent to one degree on the Celsius scale. The zero points of the thermometer are the only distinction between these two scales.
What is the kelvin scale?Because the zero point is the absolute limit of how cold anything can become, the Kelvin temperature scale is also known as the absolute temperature scale. i.e., the temperature at absolute zero is [tex]-273[/tex]Degrees Celsius (0 K).
Absolute zero (0 K) on the Kelvin scale is the temperature at which a gas's volume is zero. Since it is below zero on all temperature scales, it is the lowest possible temperature. Thus, -273.15 oC is the Kelvin scale's zero.
With the non-scientific temperature scales, absolute zero isn't even zero. The temperature is -273.15 degrees Celsius, or -459.67 degrees Fahrenheit.
Therefore, The kelvin scale has its zero set to absolute zero, which is the lowest possible temperature that exists in the universe.
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knowing that the tension in cable ab is 155 lb and that the resultant of the load p and of the forces exerted at a by the two cables must be directed along oa, determine the magnitude of the load p.
Magnitude of the load p, the resultant of the load p and of the forces exerted at a by the two cables must be directed along is 16.22 lb.
In engineering, the word "load" is widely used to refer to the force applied to a surface or mass.
Tab = 155 lb
Tab = Tab λ ab
= 155 x (-48)i + 29j + 24k/61
Tab = (-121.92)i + 73.66j + 60.96 k
Tac = Tac λac
= -48/65Tac i + 25/65Tac j - 36/65Tac k
For resultant to be directed along OA i.e x-axis
Tac = 110.06 lb
R = (-121.92lb i + 73.66lb j + 60.96lb k) + [-48/65Tac i + 25/65Tac j - 36/65Tac k]
To find the magnitude of P we take only J variable
73.66 + 25/65 Tac - P = 0
P = 73.66 + 25/65(110.66)
P = 16.22 lb is the magnitude of the load.
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The lowest note on a grand piano has a frequency of 27.5 Hz. The entire string is 2.00 m long and has a mass of 420 g. The vibrating section of the string is 1.60 m long. What tension is needed to tune this string properly?
Using the wave equation, the velocity of the wave on the string can be calculated as 55.0 m/s. Using this, the tension needed to tune the string can be calculated as 1,101 N.
What is the relationship between tension, frequency, and length of a vibrating string?The frequency of a vibrating string is directly proportional to the tension in the string and inversely proportional to its length. This means that as tension increases, the frequency of the string also increases, while a decrease in length will result in a higher frequency as well. The relationship between tension, frequency, and length of a vibrating string is described by the wave equation, which states that the speed of the wave (and hence the frequency) is equal to the square root of the tension divided by the linear density of the string, multiplied by the reciprocal of the length.
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subduction zones occur a what type of plate boundary?
Subduction zones occur at convergent plate boundaries, where two tectonic plates are colliding with each other.
There are three types of convergent plate boundaries: oceanic-oceanic, oceanic-continental, and continental-continental. In oceanic-oceanic convergence, one oceanic plate is forced beneath another, and the subducting plate is usually the older and denser of the two. In oceanic-continental convergence, an oceanic plate is forced beneath a continental plate, creating a deep ocean trench and a chain of volcanic mountains on the continent. In continental-continental convergence, the two plates collide and cause crustal thickening, mountain building, and deformation.
Subduction zones are areas where one tectonic plate is forced underneath another plate, usually because the subducting plate is denser than the plate it is colliding with. As the plates move towards each other, the subducting plate is pushed deep into the Earth's mantle, causing it to melt and form magma.
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a 0.25 kg ball is thrown with an initial velocity of 32 m/s at an angle of 30o. determine its total energy at the top of its flight path.
The total energy of the ball at the top of its flight path is 224.2 Joules.
What is the total energy?To determine the total energy of the ball at the top of its flight path, we need to consider the ball's kinetic energy and potential energy.
First, let's find the maximum height the ball will reach. At the top of its flight path, the ball will have no vertical velocity, so we can use the equation:
[tex]v_f^2 = v_i^2 + 2ad[/tex]
where[tex]v_f[/tex]is the final velocity (0 m/s), [tex]v_i[/tex] is the initial velocity (32 m/s), a is the acceleration due to gravity [tex](-9.8 m/s^2)[/tex], and d is the maximum height. Solving for d, we get:
[tex]d = (v_f^2 - v_i^2)/(2a) = (0 - (32 m/s)^2)/(2*(-9.8 m/s^2)) = 51.8 m[/tex]
Next, let's find the kinetic energy of the ball at the top of its flight path. Since the ball has no vertical velocity at this point, we can use the horizontal velocity to find the kinetic energy. The horizontal velocity is:
[tex]v_x = v_i cos(30o) = 27.7 m/s[/tex]
The kinetic energy is:
[tex]K = (1/2)mv_x^2 = (1/2)(0.25 kg)(27.7 m/s)^2 = 96.4 J[/tex]
Finally, let's find the potential energy of the ball at the top of its flight path. The potential energy is:
U = mgh = [tex](0.25 kg)(9.8 m/s^2)(51.8 m)[/tex] = 127.8 J
The total energy at the top of the ball's flight path is the sum of the kinetic and potential energy:
E = K + U = 96.4 J + 127.8 J = 224.2 J
Therefore, the total energy of the ball at the top of its flight path is 224.2 Joules.
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runner 1 has a step length of 1.50 m and a stride frequency of 76 strides/min. what is her running speed (m/s)?
The runner's speed is 1.91 m/s. The speed of a runner can be calculated by multiplying their step length (the distance covered by one step) by their stride frequency (the number of steps taken per unit time).
We can calculate the runner's speed using the formula:
speed = step length x stride frequency
Plugging in the given values:
speed = 1.50 m/step x 76 steps/min
We first need to convert the units of stride frequency to strides/second:
76 steps/min x 1 min/60 s = 1.27 strides/s
Now, we can substitute this value into the formula:
speed = 1.50 m/step x 1.27 strides/s
Simplifying the expression:
speed = 1.91 m/s
Therefore, the runner's speed is 1.91 m/s.
Step length can be influenced by a number of factors, including a runner's height, leg length, and running form. Stride frequency, on the other hand, is largely determined by a runner's running speed. As a runner increases their speed, their stride frequency tends to increase as well. However, there is a limit to how fast a runner can move their legs, and at a certain point, increases in speed are achieved through increases in step length rather than stride frequency.
Measuring step length and stride frequency can be useful for runners who want to optimize their running form and efficiency. By increasing their step length or stride frequency, runners can increase their speed without necessarily increasing their energy expenditure. However, it's important to note that there is no "ideal" step length or stride frequency that works for everyone. Runners should experiment with different stride lengths and frequencies to find what feels most comfortable and efficient for them.
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A pump is used to spray water from a pool, determine
the maximum power of the pump. If 40 litres of water
water from a pool, determine
is pumped per minute and the spray reaches the maximun
height of 60m (assume that I litre of water has a mass
of 1 kg and that g = 10ms ²²).
The maximum power of the pump is 24,000 W.
How did we get the value?To determine the maximum power of the pump, we need to calculate the work done by the pump in lifting the water to a height of 60m.
First, we need to find the weight of the water that is pumped per minute:
40 litres of water * 1 kg/litre = 40 kg
Next, we can calculate the work done by the pump using the formula for work done by a force:
W = F * d
Where W is the work done, F is the force applied and d is the distance moved.
Since the weight of the water is the force acting on it, we can use that in the above formula:
W = 40 kg * 10 m/s^2 * 60 m = 24,000 J/minute
Finally, we can convert the work done per minute to power, using the formula:
P = W / t
Where P is the power and t is the time taken.
Since we know that 40 litres of water are pumped in 1 minute, we can use that as t:
P = 24,000 J/minute / 1 minute = 24,000 W
So, the maximum power of the pump is 24,000 W.
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a parallel-plate capacitor with vacuum between the two plates has the plate area (of one plate) being 0.753 m2 and the plate separation being 1.33e-4 m. if we use a battery to maintain a constant 2.85 v potential difference between the plates, what is the electric field strength between the two plates (in v/m)?
The electric field strength between the two plates of the parallel-plate capacitor is 2.135e4 V/m.
The electric field strength between the plates of a parallel-plate capacitor is given by:
E = V/d
where E is the electric field strength, V is the potential difference between the plates, and d is the separation between the plates.
In this case, the potential difference between the plates is 2.85 V, and the separation between the plates is 1.33e-4 m. Plugging these values into the formula, we get:
E = 2.85 V / 1.33e-4 m
= 2.135e4 V/m
Therefore, the electric field strength between the two plates of the parallel-plate capacitor is 2.135e4 V/m.
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How does an object's motion change as a result of centripetal acceleration?
Centripetal acceleration, the acceleration of a body traversing a circular path. Because velocity is a vector quantity (that is, it has both a magnitude, the speed, and a direction), when a body travels on a circular path, its direction constantly changes and thus its velocity changes, producing an acceleration.
because its orbit is tilted with respect to the earth-sun plane, the moon spends most of its time either above or below the plane. how many times would the moon cross through the earth-sun plane each time it orbits earth? explain.
Instead of being in the same or a different location from Earth during its orbit, the Moon is often above or below the planet.
What angle does the Moon's orbit have with regard to that of the Earth?In comparison to the plane of Earth's orbit around the Sun, the Moon's orbit is tilted by around 5 degrees. This tilt causes the Moon to typically pass above or below the Sun when it is between Earth and the Sun as seen from Earth.
What is the name for the Earth's tilt angle *?The obliquity of the ecliptic, or axial tilt of the Earth, is around 23.5 degrees. This axial tilt causes the sun to shine at various angles throughout the year on various latitudes. The result is the seasons.
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how much work is done when a hoist lifts a 200-kg rock to a height of 3 m? (use 9.8 m/s2 for the acceleration due to gravity.)
The work done by the hoist to lift the 200-kg rock to a height of 3 meters is 5880 joules, assuming an acceleration due to gravity of 9.8 m/s^2 and no angle between the force and direction of motion.
What is acceleration due to gravity?Acceleration due to gravity is a physical constant that describes the acceleration experienced by objects near the Earth's surface due to the force of gravity. The acceleration due to gravity is denoted by the symbol "g" and has a numerical value of approximately 9.8 meters per second squared (m/s^2) at sea level. This means that if an object is dropped from a height of, say, 10 meters, it will accelerate towards the Earth's surface at a rate of approximately 9.8 m/s^2. The acceleration due to gravity is a vector quantity, which means it has both magnitude and direction. Its direction is always towards the center of the Earth.
The work done by the hoist to lift the rock can be calculated using the formula:
Work = force x distance x cos(theta)
where force is the upward force exerted by the hoist on the rock, distance is the vertical distance lifted, and theta is the angle between the force and the direction of motion.
In this case, the force is equal to the weight of the rock, which is given by:
force = mass x acceleration due to gravity
= 200 kg x 9.8 m/s^2 = 1960 N
The distance lifted is 3 meters, and the angle between the force and the direction of motion is 0 degrees, since the force is directly upward and the motion is also upward.
Therefore, the work done by the hoist is:
Work = 1960 N x 3 m x cos(0) = 5880 J
So the hoist does 5880 joules of work to lift the 200-kg rock to a height of 3 meters.
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chester the turtle has a mass of 111kg. chester is accelerating at .34 m/s^2. . what force is acting on chester
Answer:
The correct option is C
1000
N
Given, acceleration,
a
=
2
m
s
−
2
and mass,
m
=
500
k
g
Let the net force be F.
According to Newton's second law of motion:
F
=
m
a
=
500
×
2
=
1000
N
∴
Net force applied is 1000 N.
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each different signal in a 1h nmr spectrum represents a different of hydrogen atom. hydrogen atoms that are give the same signal.
In a 1H NMR spectrum, different signals represent different types of hydrogen atoms. Hydrogen atoms in different chemical environments will have different resonant frequencies due to the local magnetic field they experience.
However, it is possible for hydrogen atoms in the same chemical environment to give the same signal. This occurs when they are in identical chemical environments and experience the same local magnetic field. In this case, they will have the same resonant frequency and contribute to the same peak or signal in the NMR spectrum. These hydrogen atoms are said to be chemically equivalent.
It is important to note that chemically equivalent hydrogen atoms do not have to be in the same molecule. For example, in a mixture of two different molecules with the same chemical environment, the hydrogen atoms in both molecules will contribute to the same NMR signal.
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it takes 10 million (1x107) hudfs to fill the entire sky. using this information and your answer from the previous part, how many stars are there in the observable universe? express your answer using scientific notation.
The estimated number of stars in the observable universe is about 1x10^22.
Scientific Notation10 million can be written as 1,000,000,000 . It is expressed in scientific notation, it becomes 10 raised to 9= 1,000,000,000
What is an Universe?The universe is made up of all of space, time, and everything that exists within them, including all of the planets, stars, galaxies, and other types of matter and energy. The prevailing cosmological explanation for the universe's formation is the Big Bang theory. The universe has been expanding ever since the Big Bang, which occurred 13.7870.020 billion years ago, according to this theory. Although the size of the entire universe's space is unknown, the observable universe's diameter, which is about 93 billion light-years at the moment, can be calculated.
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The estimated number of stars in the observable universe is about 1x10^22.
Scientific Notation
10 million can be written as 1,000,000,000 . It is expressed in scientific notation, it becomes 10 raised to 9= 1,000,000,000
What is an Universe?
The universe is made up of all of space, time, and everything that exists within them, including all of the planets, stars, galaxies, and other types of matter and energy. The prevailing cosmological explanation for the universe's formation is the Big Bang theory. The universe has been expanding ever since the Big Bang, which occurred 13.7870.020 billion years ago, according to this theory. Although the size of the entire universe's space is unknown, the observable universe's diameter, which is about 93 billion light-years at the moment, can be calculated.
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