The Right Hand Thumb Rule, which asserts that if the thumb is kept pointing in the direction of the current, the curl of the other fingers indicates the direction of the magnetic field, is along the eastern direction if the current is flowing to the north.
What do you understand from right hand thumb rule?The right hand rule is a hand mnemonic in physics that is used to remember which way three-dimensional axes or parameters point. The right hand rule was developed in the 19th century by British physicist John Ambrose Fleming for electromagnetism applications. When the other two parameters are known, it is most frequently employed to identify the direction of the third parameter (magnetic field, current, magnetic force).
The right hand rule has a few modifications, which are described in this section. A conductor, like a copper wire, induces an electric current when it passes through a magnetic field (B). Faraday's Law of Induction is the name given to this phenomenon.
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PLS help really confused will mark brainiest to the right answer.
The base ball would have more acceleration than the bowling ball. Option C.
What is the acceleration?We know that from the Newton second law of motion, force is the product of the mass and the acceleration of an object. We can write that; F = ma
F = force
m= mass
a= acceleration
It is clear from the equation that we have shown above that the accaleration of the object does not only depend on the force but also on mass of the object. We can now write;
a = F/m
The higher the mass the lesser the acceleration of the object as we saw above.
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A student wants to collect data during an experiment about the transfer of kinetic energy in a sample of water and ice. Which tool will help her collect the necessary data?(1 point)
Responses
meter stick
balance
thermometer
graduated cylinder
If a student wants to collect data during an experiment about the transfer of kinetic energy in a sample of water and ice, then the tool that will help her collect the necessary data is a thermometer.
What is a thermometer?A thermometer is a device used in different applications in order to measure the temperature in the surrounding environment and or open systems such as organisms (including humans).
Therefore, with this data, we can see that a thermometer can be used to determine the temperature of an organism and also of the surrounding media.
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Answer:
your answer will be thermometer
Explanation:
if you go to connexus and are doing the science
Thermal Energy Unit Test 10 qestions 8th grd unit 5 test lesson 12 here are the correct answers
1. A. metal is heated from room temperature to 200'C.
2. B. The particles will have more space between them as steam, but they will be moving at the same speed in both states.
3. C. The potential energy decreases due to the tighter arrangement of the particles.
4. B. an increase in heat and an increase in kinetic energy until a phase change occurs.
5. C. thermometer
6. B. 4.
7. D. convection
8. C. Air moves from the areas of higher temperature to areas of lower temperature.
9. C. The temperature of the ice increases, while the temperature of the water decreases
10. A. heat transfer by radiation.
i hope this helps and please let me know if it does! = ) <3
a sled of mass 2.49 kg has an initial speed of 4.53 m/s across a horizontal surface. the coefficient of kinetic friction between the sled and surface is 0.168. what is the speed of the sled after it has traveled a distance of 3.58 m?
The speed of the sled after it has travelled a distance 3.58 meter is 2.96m/s.
Mass of sled = 2.49kg
Initial speed across the horizontal surface = 4.53m/s
Coefficient of kinetic friction between the slate and surface = 0.168
Distance = 3.58m
Now to calculate the acceleration of sled we use :
F = ma
a = F/m
where
a = acceleration
m = mass
F = frictional force
a = μmg / m
a = μg
a = 0.168 x 9.8
a = 1.64m/s²
To calculate the speed of sled we use:
v² = u² - 2as
v² = (4.53)² - 2x 1.64 x 3.58
v² = 8.7785
v = 2.96m/s
The speed of the sled after it has travelled a distance 3.58 meter is 2.96m/s.
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if the net acceleration is downward but has a magnitude less than g, then which has the larger magnitude, the force f or the tension in the rope?
If the net acceleration is downward but has a magnitude less than G, the force of F has a larger magnitude than the tension in the rope.
How to determine the net acceleration?We do know thаt the net force equаls mаss times the аccelerаtion. Now if we tаke the block аs а system, meаning we mаke use of the equаtion, mаss times аccelerаtion equаls net force, on the block. Now the lаst element of the rope is pulling the block upwаrds. This is becаuse the block pulls the rope down, hence due to newton's third lаw the rope too should pull the block, but in opposite directions, thаt is upwаrds. Hence the tension аcts upwаrds on the block. Therefore the net force is weight downwаrds аnd tension upwаrds, this equаls mаss times аccelerаtion,
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A hospital engineer finds an unidentified radioactive source using his Geiger counter in the nuclear medicine department. explain how the engineer could identify what type of radiation is being emitted from the source.
.
Any Idias?
Ionising radiation such as alpha and beta particles or gamma rays are detected using the Geiger-Müller (GM) tube. The radiation enters the tube through a very thin window at one end.
A radioisotope used for diagnostics must generate enough gamma rays to escape from the body and have a short enough half-life to decay away shortly after imaging is concluded. Tc-99 is the most often used radioisotope in medicine, accounting for approximately 80% of all nuclear medicine treatments.
Nuclear imaging is used to study the function of organs and tissues. During the operation, a trace amount of a radioactive chemical is used to aid in the examination. Body tissue absorbs the radioactive substance, known as a radionuclide (radiopharmaceutical or radioactive tracer).
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how much heat is lost when a 640g piece of copper cools for 375°C to 26°C? the specific heat is 0.09 cal/g°C≈
The heat energy lost during the cooling of metal can be calculated using calorimetric equation. The heat lost here during cooling of copper is 20102.4 Cal.
What is calorimetry?Calorimetry is an analytical tool used to determine the heat energy released or absorbed from a chemical reaction or physical change. The heat energy q is related to the mass m of the substance, specific heat capacity c and the temperature difference ΔT as follows:
q = m c ΔT.
It is given that the mass of copper metal is 640 g having specific heat of 0.09 Cal/g° C cooled from 375 to 26 degree Celsius. The heat lost from the metal can be calculated as follows:
q = 640 g × 0.09 Cal/g° C × (375 - 26 ° C )
= 20102.4 Cal.
Therefore, the heat lost from the metal is 20102.4 Cal.
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An aluminum tube of 3-in. Outside diameter is to carry a load P of 10 kips having an eccentricity e = 0. 6 in. Knowing that the stock of tubes available for use are made of aluminum alloy 2014-T6 and have wall thicknesses in increments of 116 in. Up to 12 in. , determine the lightest tube that can be used. Use the interaction method of design with an allowable stress in bending of 25 ksi. (Input the final answer as a fraction. )
The Method of Interaction It's a cooperative method for more effective teamwork.
Explain about the Interaction Method?
A combination of hardware and software components that enables computer users to carry out a single job is known as an interaction technique, user interface technique, or input technique.
Four fundamental interaction tasks exist: position, text, select, and quantify. These can be carried out using a variety of hardware and software tools, each of which has been given a category based on its capabilities and qualities.
An interaction occurs when two or more factors have an impact on one another. If one investigates each of their effects independently, they may not have as strong an impact on a result as they might if they occur simultaneously and interact. Caffeine and painkillers are an example of such interaction.
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A 0. 25-kg toy car experiences a net force of 9. 0 n while slowing down to a complete stop. What is the magnitude of its acceleration?.
The magnitude of the acceleration is -36 m/s² since the toy car is stopping thus, -36 is the deceleration of the toy.
The Force of the object is the product of the mass of the object with the acceleration with which it is moving. It is the vector product. The SI unit of force is Kg-m/s² or Newton(N). The equation for the force is,
F = ma
where F = Force
m = mass
a = acceleration
The values given for force f = 9.0N, m = 0.25kg
∴ F = ma
9.0 = 0.25 × a
a = 36 m/s²
Hence, the negative sign indicates the deceleration of the toy car thus the magnitude is -36m/s².
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among the four giant planets, which one has the global-average density smaller than the density of liquid water and which one has the strongest magnetic field?
Saturn is less dense than Earth because it has a bigger volume.
Of all the planets in the Solar System, Saturn has the lowest density.
Why is Saturn so low in density?Saturn is not solid like Earth; instead, it is composed of gases.Saturn is hence quite light for its size.In fact, Saturn has a density that is even lower than that of water, making it the least dense planet in our solar system.The second-largest planet in the Solar System, Saturn is enormously big.However, it is less thick than water and primarily composed of gas.It can float on water since it is lighter than water.Because they have densities greater than water, none of the other planets in our solar system are able to perform this.To learn more about Saturn refer,
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consider two cars moving along the same straight road in opposite directions. car a has a mass of 500kg500kg and has a constant speed of 20m/s20m/s ; car b has a mass of 800kg800kg and a constant speed of 15m/s15m/s . what can you say about the net forces on the cars?
The net force on both the cars car a and car B will be zero.
According to the first law of motion stated by Newton,
An object would continuously written it's state of motion or rest if the net force on the object is zero. It means that, no matter how many forces are working on the body if they all cancel out each other and the net force becomes zero the body will continue it's same state.
Also according to second law of Newton,
The force is rate of change of momentum with respect to time.
F = ma
Here, both the cars the car A of mass 500 kg and the car B of mass 800 kg are moving with a constant velocity of 20 m/s and 15 m/s respectively.
If the velocity of the car is not changing with time it means that there is no acceleration on the body.
If there is no acceleration on the body, then there is no net force on the body.
So, we can conclude hair that the net force on the cards is zero.
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a model airplane with mass 0.750 kg is tethered to the ground by a wire so that it flies in a horizontal circle 30.0 m in radius. the airplane engine provides a net thrust of 0.800 n perpendicular to the tethering wire. (a) find the torque the net thrust produces about the center of the circle. (b) find the angular acceleration of the airplane. (c) find the translational acceleration of the airplane tangent to its flight path.
The force on the section of the wall of the airplane is 3N.
The pressure outside the cabin of the commercial airplane is 0.150 atm and the pressure inside the airplane cabin is 0.900 atm.
The dimensions of the section of wall of the airplane are 2.00 m × 2.00m.
The area of the section = 4.00 m².
We know,
Force applied on the portion = pressure applied on that area × area
So, the force on the section of the wall of airplane will be,
Force = (0.900-0.150)×4
Force = 3N.
So, the force on the airplane is 3 Newtons.
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How much energy is stored in the 180-µF capacitor of a camera flash unit charged to 300.0 V?
Energy is stored in the 180-µF capacitor of a camera flash unit charged to 300.0 V is 8.10 J.
A capacitor is a tool that stores electrical electricity in an electric-powered field by way of the distinctive feature of accumulating electric expenses on two close surfaces insulated from each other. it's miles a passive digital component with terminals.
The impact of a capacitor is called capacitance. A capacitor is an electrical component that shops capacity power. Capacitors hold wonderful and bad electricity on separate plates separated by way of an insulator. A capacitor(s) is called cap(s) for brief.
Calculation:-
energy stored in capacitor = C V^2 /2
= 180 x 10^-6 x 300^2 / 2 = 8.10 J
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9. Determine the total capacitance between points A and B. D н А- В с E с C C с с с c
Answer:
Determine the total capacitance between points A and B in the figure below. C =104F C = 5uF C=20uF MAE ce Select the best answer: 2.84uF 2.80uF O 2.90pF 2.86F
Explanation:
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in comparison to the atmosphere of venus, the vastly different atmospheric character of mars is likely due to a/an
Reverse greenhouse gases are most likely the root cause of Venus' atmosphere and Mars' drastically differing atmospheric characteristics.
The greenhouse effect causes the Earth to absorb more sunlight, heating the planet.
The process by which solar radiation out of a celestial object's sun is absorbed and scattered by the object's earth's atmosphere prevents that energy from reaching the object's surface is known as the anti-greenhouse effect, which would be the opposite of something like the greenhouse effect.
A runaway refrigerator, also known as the reverse greenhouse effect, happened on Mars. Mars' original temperature was lower than that of the Earth because Mars was a little further from the Sun. This indicated that a layer of liquid water formed on the surface when the water vapor condensed.
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(b) The cars collide and car B experiences an impulse. Car A continues to move in the same
direction, with a momentum of 21 000 kg m/s.
(i) Calculate the momentum of car B immediately after the collision.
momentum =
llicion
[1]
The momentum of car B immediately after the collision if the momentum of car A is 21 000 kg m/s after collision is 15000 kg m / s
p = m v
p = Momentum
m = Mass
v = Velocity
m1 = 2000 kg
u1 = 18 m / s
pi1 = 2000 * 18
pi1 = 36000 kg m / s
m2 = 1200 kg
u2 = 0
pi2 = 0
pf1 = 21000
According to law of conservation of momentum
pi1 + pi2 = pf1 + pf2
pi1 = Initial momentum of car A
pi2 = Initial momentum of car B
pf1 = Final momentum of car A
pf2 = Final momentum of car B
pf2 = pi1 + pi2 - pf1
pf2 = 36000 + 0 - 21000
pf2 = 15000 kg m / s
Therefore, the momentum of car B immediately after the collision is 15000 kg m / s
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Light travels approximately 982,080,000 ft/s, and one year has approximately 32,000,000 seconds. A light year is the distance light travels in one year.
State the speed in mi/s, using scientific notation. (1 mile = 5280 feet exactly, by definition; i.e., this is not a measurement.)
The speed of light in miles per second (mi/s) is 186,000 mi/s.
What is the distance travelled by light in a year?The distance travelled by light in a year is known as light-year. This distance travelled by light in a year depends on the speed of light.
The speed of light in a year is given as 982,080,000 ft/s. The unit of this speed of light in feet per seconds can be converted into miles per second.
The speed of light in miles per second (mi/s) is calculated by using the following conversion factor.
1 mile = 5280 feet
982,080,000 ft/s = 982,080,000 ft/s x 1 mile/5280 ft
982,080,000 ft/s = 186,000 miles/s
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a woman stands on the edge of a cliff. she throws three identical rocks with the same speed. rock a is thrown vertically downward, rock b is thrown horizontally, and rock c is thrown vertically upward. assuming the elevation loss of the three rocks is the same (the ground at the base of the cliff is flat), which rock hits the ground with the highest speed?
The speed with which the rock A, B and C which are thrown same initial speed and same mass hit the ground is equal for all the rocks.
Let us consider the initial velocity be 1 m / s and the height of the cliff to be 10 m.
For the rock A which is thrown vertically downward,
v² = u² + 2 a s
v² = 1 + ( 2 * 9.8 * 10 )
v² = 197 m / s
v = 14 m / s
For rock B which is thrown horizontally,
vx = 1 m / s
v² = u² + 2 a s
v² = 0 + ( 2 * 9.8 * 10 )
v = 14 m / s
vy = 14 m / s
v = √ vx² + vy²
v = √ 1 + 14²
v = √ 197
v = 14 m / s
As we can see here all rocks start with same gravitational potential energy and end with same gravitational energy. So all rocks have equal velocity and kinetic energy, and so energy is conserved. So they all hit the ground with same speed.
Therefore, they all hit the ground with the same speed.
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the lift piston base and the input piston base are at the same height. what input force, , is required to maintain this system in equilibrium?
Input force = (Output force/Output area) × Input area
By Pascal Law,
Input force / input area = Output force / output area
By re-arranging,
Input force = (Output force/Output area) × Input area
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30.0-kg child sits on one end of a long uniform beam having a mass of 20.0 kg, and a 40.0-kg child sits on the other end. the beam balances when a fulcrum is placed below the beam a distance 1.10 m from the 30.0-kg child. how long is the beam? a 30.0-kg child sits on one end of a long uniform beam having a mass of 20.0 kg, and a 40.0-kg child sits on the other end. the beam balances when a fulcrum is placed below the beam a distance 1.10 m from the 30.0-kg child. how long is the beam? 2.07 m 1.93 m 2.12 m 2.20 m 1.98 m
The length of the beam on which the the two boys are lying is 1.01 m.
The mass of one kid is 30 kg and the mass of the beam is 20kg, the beam is balanced at a distance of 1.10 m from the 30 kg boy when a 40kg boy was sitting at the other end of the beam.
If the beam is balanced at 1.10 m from the 30kg boy it means that there lies the center of mass of the system.
So, let us assume the length of the beam to be X meters and the assume the center of mass to be at center.
So,
0 = M₁X₁ + M₂X₂/M₁+M₂
M₁ is 30kg and X₁ is 1.10m.
M₂ is 40kg and the X₂ is (X-1.10)m.
Putting values,
0 = 30 x 1.1 + 40 x (X-1.1)
(1.1 - X)40 = 3.3
X = 1.01 m.
So, the length of the Beam is 1.01 m.
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Which has the most kinetic energy from its motion?
Multiple choice question.
cross out
A)
a 1,100-kg car traveling 60 km/h
cross out
B)
a 2,000-kg truck traveling 50 km/h
cross out
C)
a 900-kg car traveling 80 km/h
cross out
D)
a 300-kg motorcycle traveling 100 km/h
Among the given options the vehicle that has the most kinetic energy is a 900-kg car traveling 80 km/h
KE = 1 / 2 m v²
KE = Kinetic energy
m = Mass
v = Velocity
For A,
m = 1100 kg
v = 60 km / h
KE = 1 / 2 * 1100 * 60²
KE = 1980000 J
KE = 1980 KJ
For B,
m = 2000 kg
v = 50 km / h
KE = 1 / 2 * 2000 * 50²
KE = 2500000 J
KE = 2500 KJ
For C,
m = 900 kg
v = 80 km / h
KE = 1 / 2 * 900 * 80²
KE = 2880000 J
KE = 2880 KJ
For D,
m = 300 kg
v = 100 km / h
KE = 1 / 2 * 300 * 100²
KE = 1500000 J
KE = 1500 KJ
KEc > KEb > KEa > KEd
Therefore, the 900-kg car traveling 80 km/h has the most kinetic energy
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xii. a fan rotating with an initial angular velocity of 1200 rev/min is switched off. in 2 seconds, the angular velocity decreases to 300 rev/min. assuming the angular acceleration is constant, how many revolutions does the blade undergo during this time?
The blade goes through 25 evolutions throughout this period.
What does angular velocity mean?Angular velocity is the speed at which an object rotates or revolves around an axis or alters the angle between two bodies. The angle between a line on one body and a line on the other in the illustration serves as a representation of this displacement.
Formula using,
Ф = (ω+ω')t/2
Where Ф = amount of revolution the blade undergo,
Given: ω = 1200 rev/min,
ω' = 300 rev/min,
t = 2 seconds = (2/60) min = 1/30 min
Substitute into equation 1
Ф = (1200+300)(1/30)/2
Ф = 1500/(30×2)
Ф = 1500/60
Ф = 25revolutions.
The blade goes through 25 evolutions throughout this period.
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what would happen if you strike the pipe with supports placed at the nodes for the first vibration mode
If you strike the pipe with supports placed at the nodes for the first vibration mode, you will experience a vibration that has a frequency of about 5 Hz.
The amplitude of this vibration will be approximately 1.5 mm and it will occur in a single direction. This means that the pipe will vibrate up and down, but not side to side.
The vibrations caused by striking the pipe will not last very long. In fact, they are only likely to last for about 0.1 seconds before they disappear entirely. They may also cause damage to nearby objects like walls or furniture if they are located too close to where you strike the pipe.
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Consider a relation representing the present position of molecules in a closed container. The attributes are an id for the molecule, the x, y, and z coordinates of the molecule, and its velocity in the x, y, and z dimensions. What fd’s would you expect to hold? what are the keys?.
The following are some examples of the functional dependencies that can be held:
PX, PY, and PZ →VX
PX, PY, and PZ →VY
PX, PY, and PZ →VZ
Define functional dependence.Functional dependency is a term that describes a constraint that is usually used to explain the link between two (2) different sets of attributes, where one set may predict the true value of the other attributes accurately and uniquely.
The coordinates of the molecule in this example would be PX, PY, and PZ, while the velocities of those coordinates would be VX, VY, and VZ. Functional dependencies can so be illustrated by the following examples:
PX, PY, and PZ → VX
PX, PY, and PZ → VY
PX, PY, and PZ → VZ
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What are the primary forces that act upon a baseball and a bat during their collision with each other
A. The force of ball on bat and the force of gravity ball
B. The force of gravity on the bat and the force of friction on the ball
C. The normal force of the ball and the force of friction on the bat
D. The force of ball on bat and the force of the bat on ball
The correct answer is D. (The force of ball on bat and the force of the bat on ball.
Baseball is a game that we need to hit the ball using bat as hard as we can to make the ball fly as far as we can when other player will throw the ball as fast as possible to make it hard to hit.
The ball that pitcher throw has a velocity and acceleration. a ball with velocity will have some Force according to Newton's second Law. On the other side, batter will hit the ball using force from his swing. When the ball and the bat make contact, each force will negate each other. So, in order to make the ball fly high the batter need to give higher force than the force that the ball has.
Newton's Second Law tell us about that the acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the object’s mass.
From that statement we can conclude that the force of an object will get bigger when they move faster
how can an object be accelerating while maintaining a constant speed? what force or forces can cause this type of acceleration and how exactly must they be oriented relative to the motion of the object?
Even if an object's speed is constant, it can nonetheless accelerate if its direction changes.
Newton postulated that an object will only accelerate in the presence of a net or unbalanced force.
How can an object accelerate while maintaining a constant speed?An object's velocity (speed and direction) changes at a certain rate, which is called acceleration. As a result, even if an object's speed remains constant, its direction may shift, causing it to accelerate. But the acceleration of an object will be 0 if its velocity is constant.
According to Newton, an item will only accelerate if another force is operating on it that is net or imbalanced. If an imbalanced force is present, the object will accelerate and change its direction and speed, or both.
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A girl riding a bicycle at 2.0 m/s throws a tennis ball horizontally forward at a speed of 1.0 m/s from a height of 1.5 m. At the same moment, a boy standing on the sidewalk drops a tennis ball straight down from a height of 1.5 m.
What is the initial speed of the girl's ball relative to the boy?
WILL GIVE BRAINLIEST
The initial speed of the girl's ball relative to the boy is 3 m/s.
What is the initial speed of the girl's ball?
The initial speed of the girl's ball relative to the boy depends on the time of motion of the girls ball.
The time of motion of the ball from the given height is calculated as follows;
h = vt + ¹/₂gt²
where
v is the initial velocity of the ballt is the time of motion of the ballg is acceleration due to gravityh = 0 + ¹/₂gt²
h = ¹/₂gt²
t = √(2h/g)
t = √(2 x 1.5 / 9.8)
t = 0.55 s
The final velocity of the ball is calculated as;
v = gt
v = 9.8 x 0.55
v = 5.39 m/s
However, since we are looking for the initial speed of the girl's ball relative to the boy, we will ignore the final velocity of the ball.
The initial velocity of the ball = 0
The initial velocity of the girl's ball = 2 m/s + 1 m/s = 3 m/s
The relative velocity = 3 m/s - 0 m/s = 3 m/s
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the bubble of cold (blue) air on the left is separated from the warm (brown) air by a boundary, or narrow transition zone, called a
The heated (brown) air is separated from the cold (blue) air bubble on the left. A(n) is the term used to describe
What separates the air masses at their boundary?"Fronts" are the borders that are formed when air masses converge. Cold front in three dimensions. Temperature changes caused by a front's motion can be used to identify it. A cold front causes a warmer air mass to be replaced by a colder one. Another name for it is a "dryline" or "dry front." a line or zone between two air masses that have different densities and, as a result, are typically at different temperatures. A moving front is given a name based on the air mass that is advancing; for example, a cold front if colder air is going forward. The front is the line separating two air masses. A front typically has overcast, stormy weather. Four separate fronts exist: the Cold, Warm, Stationary, and Occluded fronts. A cold front arises when two cold air masses collide with warm air masses.
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Which formula is used to find the growth rate of a population? O Death rate - Birth rate = Growth rate O Death rate x Birth rate= Growth rate O Birth rate - Death rate= Growth rate O Death rate + Birth rate = Growth rate
The formula used to find the growth rate of a population is Birth rate - Death rate = Growth rate.
Population growth = ( Initial population - Population at time measured ) / Initial population * 100
The population growth rate is also called as rate of natural increase. The average change in population size annually is population growth rate.
Birth rate is the number of births occurring per 1000 population. Death rate is the number of deaths occurring per 1000 population. Since the values are taken per 1000, to find the percentage value the values are divided by 10.
Therefore, the formula used to find the growth rate of a population is Birth rate - Death rate = Growth rate.
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as thiew is leaving the parking lot in his car, he sees a coworker in the distance, rolls down his window and waves to her. thiew is using a hand wave as a(n)
As thief is leaving the parking lot in his car, he sees a coworker in the distance, rolls down his window and waves to her. thiew is using a hand wave as a(n) emblem (gesture).
Despite the frequent confusion between the terms emblem and symbol, an emblem is a design that serves to symbolize a concept or a specific person. A deity, a tribe or nation, a virtue or vice, or some other abstraction are all developed in tangible, visual terms by an emblem. An emblem may be worn or utilized in another way as a badge or patch for identification. For instance, in America, police officers' woven emblems on uniforms are used to identify members of a specific unit while their badges allude to their individual metal symbol. A real or metal cockle shell, St. James the Apostle's symbol, was stitched onto a pilgrim's hat or clothing during the Middle Ages to identify them at his shrine in Santiago de Compostela. Numerous saints received symbols in the Middle Ages that were used to identify them in paintings.
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Nuclear power plant meltdowns can be hazardous. Which of these is a result
related to the meltdown of a nuclear power plant?
O significant changes in sea level in the region
O change in weather conditions in a widespread area
O increased production in carbon dioxide as air pollution
O dangers to the health of people and the environment Science
