The application of faraday's law to the existence (not the sign) of the induced voltage before you energize the primary coil
The magnitude of the emf generated in a circuit is proportional to the rate of change with time t of the magnetic flux that cuts across the circuit emf, according to this relationship, also known as Faraday's law of induction (to distinguish it from his laws of electrolysis).
According to Faraday's law of induction, when a magnetic field changes, a voltage results. This difference in electric potential can induce electric currents to flow.
The first faraday's law states that the amount of chemical change caused by a current at an electrode-electrolyte interface is proportional to the amount of electricity used, while the second law states that different substances can undergo different amounts of chemical change when the same amount of electricity is applied to them.
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A circuit has an impedance of 5 ohms and a voltage of 100 volts. What is the current flow?
A circuit with an impedance of 5 ohms and a voltage of 100 volts has a current flow of 20 A.
The expression of an electronic component, circuit, or system's resistance to alternating and/or direct electric current is called impedance, indicated by the letter Z. Resistance and reactance are two distinct scalar (one-dimensional) phenomena that combine to form impedance, a vector (two-dimensional) variable.
[tex]Z^{}[/tex] = [tex]\frac{V}{I}[/tex]
(for a pure resistor where Z=R,preserving the form of the DC Ohm's law).
[tex]I=\frac{V}{Z}[/tex]
[tex]I = \frac{100}{5}[/tex]
I = 20 A
Therefore, A circuit with an impedance of 5 ohms and a voltage of 100 volts has a current flow of 20 A.
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A 26 kg bin is stationary on the driveway. The coefficient of static friction is 0.25. You pull on the bin with a force of 52 N [E] and your friend pulls with a force of 110 N [W]. Will the bin move? Explain your reasoning.
The bin will not move because the frictional force is greater than the net force acting on the bin.
What is the net force acting on the bin?The net force acting on the bin is obtained by subtracting the force acting on the Easterly direction from that acting in the Westerly direction.
Net force = 110 N - 52 N
Net force = 58 N
The frictional force acting on the bin is determined as well using the given formula:
Frictional force = coefficient of static friction * normal reaction
Norma reaction = 26 * 9.81
Normal reaction = 255.06 N
coefficient of static friction = 0.25
Frictional force = 0.25 * 255.06
Frictional force = 63.8 N
Since the frictional force is greater than the net force acting on the bin, the bin will not move.
In conclusion, the frictional force is the force that opposes relative between two objects at their surface of contact.
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The electric field inside a metallic conductor that is in electrostatic equilibrium is?
The electric field inside a metallic conductor that is in electrostatic equilibrium is zero.
An electric field is a physical field that surrounds electrically charged particles and acts as an attractor or repellent to all other charged particles in the vicinity. It can also refer to a system of charged particles' physical field.
Since there are many electrons, there is also a strong force of repulsion between them. Therefore, the electrons travel to the conductor's surface to reduce the repulsion between them. Therefore, we can state that there is no net charge present inside the conductor.
So, The electric field inside a metallic conductor that is in electrostatic equilibrium is zero.
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In a region where the electric field is uniform and points in the x direction, the electric potential is -2000 v at x = 8 m and is 400 v at x = 2 m. what is the magnitude of the electric field?
The magnitude of the uniform electric field, if the electric potential is -2000 v at x = 8m and is 400 v at x = 2 m in x direction will be, 400V/m.
To find the answer, we have to know more about the electric field.
How to find the magnitude of uniform electric field?a space where other charged particles or things would be forced to move away from a charged particle or item is called the electric field.The expression for electric field in terms of potential V and the distance x can be written as,[tex]E=\frac{dV}{dx}[/tex]
where, dV is the potential difference at two different points of the conductor and dx is the difference of the points.
Thus, the magnitude of electric field can be written as,[tex]|E|=|-(\frac{dV}{dx} )|=|-(\frac{-2000-400}{8-2} )|\\\\|E|=400V/m[/tex]
Thus, we can conclude that, the magnitude of the uniform electric field, if the electric potential is -2000 v at x = 8m and is 400 v at x = 2 m in x direction will be, 400V/m.
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Water (3090 g ) is heated until it just begins to boil. if the water absorbs 5.09×105 j of heat in the process, what was the initial temperature of the water?
The initial temperature of the water was 60.64 degree Celsius.
What is heat energy?Heat is the type of energy that travels from a high-temperature system to a low-temperature system when it is transmitted between things or systems of different temperatures. also known as thermal energy or heat energy. Usually, heat is expressed in Btu, calories, or joules.
Calculation for the initial temperature of the water;
The formula for release of heat energy is given by;
Q = mc∆t
Q = heat energy
m = mass
c = specific heat (of water)
∆t= change in temperature (= final - initial temp)
final temp of water = boiling point of water i.e. 100*C
'c' for water = 4.186 joule/gram °C
The mass 'm' = 3090 g.
The energy absorbed by water is 5.09×[tex]10^{5}[/tex] = 509000 J.
Let 'T' be the initial temperature.
Substitute all the value in formula to get the equation.
509000 = 3090 × 4.186 × (100 - T)
100 - T = 39.35
T = 100 - 39.35
T = 60.64
Therefore, the initial temperature of the water was 60.64 degree Celsius.
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A mass m is attached to an ideal massless spring with spring constant k. In experiment 1 the mass oscillates with amplitude a, and period t. A student grabs the mass and brings it to rest before starting experiment 2. In experiment 2, the mass is set to oscillate with a larger amplitude of 3a. What is the period of the oscillation in experiment 2?.
The experiment's time period is unaffected by the change in amplitude in either experiment.
What are the variables that affect time in SHM?The time frame is provided by:
[tex]$T=2 \pi \sqrt{\frac{m}{k}}$[/tex]
where,
T = Time period.
M = mass.
k = spring constant.
We can see from the formula above that the only factors affecting the time period in a Simple Harmonic Motion (SHM) are the object's mass and spring constant. Any changes in the object's mass or the spring constant will cause the time period to adapt.
Describe the Spring Constant.The attribute is known as a spring's "spring constant" describes the relationship between the force acting on a spring and the displacement it causes. In other terms, it describes the stiffness and size of a spring's range of motion.
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A 1. 30 kg block slides with a speed of 0. 855 m/s on a frictionless horizontal surface until it encounters a spring with a force constant of 552 n/m. The block comes to rest after compressing the spring 4. 15 cm. Part a. Find the spring potential energy, u , the kinetic energy of the block, k , and the total mechanical energy of the system, e , for compressions of 0 cm. Part b. Find the spring potential energy, u , the kinetic energy of the block, k , and the total mechanical energy of the system, e , for compressions of 1. 00 cm. Part c. Find the spring potential energy, u , the kinetic energy of the block, k , and the total mechanical energy of the system, e , for compressions of.
a) U = 0 J
k = 0.383 J
E = 0.383 J
b) U = 0.0228 J
k = 0.155 J
E = 0.383 J
c) U = 0.1104 J
k = 0.272 J
E = 0.383 J
d) U = 0.248 J
k = 0.177 J
E = 0.383 J
Method for solving:The equations for kinetic energy is:
k= 1/2*m*[tex]v^{2}[/tex]
The equation for elastic potential energy is:
U= 1/2*ks*[tex]x^{2}[/tex]
Where,
m= mass of the block
v= velocity
ks= spring constant
x= displacement of the spring
(a)when compression= 0 cm
U= 1/2*ks*[tex]x^{2}[/tex]
U= 1/2*552*
= 0 J
Kinetic energy:
k= 1/2*m*[tex]v^{2}[/tex]
k= 1/2*(1.05)*
k= 0.383 J
Mechanical energy:
E= k + U
E= 0.383+0
E= 0.383 J
There will be no work done by friction or any other dissipative force, hence this energy will be conserved, or it will remain constant (like air resistance). This indicates that only spring potential energy will be created from the kinetic energy (there is no thermal energy due to friction, for example).(b) spring potential = ?
U= 1/2* 457 N/m*[tex](0.01)^{2}[/tex]
U= 0.0228 J
Since the mechanical energy must remain constant, we may calculate the kinetic energy using the mechanical energy equation:
E= k + U
0.383= k + 0.0228
k= 0.383 - 0.228
k= 0.155
(c)spring constant when x= 0.02
U= 1/2*552*[tex](0.02)^{2}[/tex]
U= 0.1104 J
Using the equation of mechanical energy:
E= k +U
0.383= k+ 0.1104
k= 0.383 - 0.1104
k= 0.272 J
(d) U= 1/2*552*[tex](0.03)^{2}[/tex]
U= 0.2484 J
E= 0.383 J
k = E - U
k= 0.383- 0.206
k= 0.177
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If he were able to maintain this constant rate of acceleration, what would have been his speed as he finished the race?
a) 4.8 m/s² his average acceleration during the first 2.5 s
b) 15 m distance he cover during the first 2.5 seconds.
c) 31 m/s his speed as he finished the race.
(a) How to calculate the Average Acceleration ?Average acceleration is calculated by using Newtons first law of motion
v = u + at
where
u is initial velocity
v is final velocity
a is constant acceleration
t is time
Given u = 0m/s , v = 12 m/s and t = 2.5 sec
Therefore average acceleration is given by
[tex]a=\frac{v}{t}[/tex]
[tex]a=\frac{12}{2.5}[/tex]
a = 4.8 m/sec²
b) Here we will use newtons second law of motion
[tex]s=ut+\frac{1}{2}at^{2}[/tex]
On substituting value we get
s = 15m
c) Here we will use newtons third law of motion
v² = u² + 2as
Here u = 0 , a = 4.8 m/s² and s = 100 m
Therefore
v² = 960
v = 31 m/s
Disclaimer: the question was given incomplete in the portal. Here is the complete question.
Question: Usain Bolt's 100m sprint Runner set the world record for the100 meter sprint during the 2009World Championships in Berlin with a time of 9.58 s, reaching a top speed of 12 m/s in about 2.5 s.
a. What was his average acceleration during the first 2.5 s?
b. What distance did he cover during the first 2.5 seconds, assuming his acceleration was constant?
c. If he were able to maintain this constant rate of acceleration, what would have been his speed as he finished the race?
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What counteracts the relaxation pressures and promotoes the steady lund pressure?
Breathing exercises , Self - hypnosis , Enough sleep and meditation practice can counteracts the relaxation pressures and promotes the steady blood pressure
Their are several techniques which counteracts the relaxation pressures and promotes the steady blood pressure , that are
1) Breathing exercises
For this , one can focus on taking slow, deep breaths which is also called diaphragmatic breathing
2) Self - hypnosis
In this , one can learn to produce the relaxation response when prompted by a phrase
3) Enough sleep and meditation practice
The less you sleep, the higher your blood pressure may go. People who sleep six hours or less may have steeper increases in blood pressure.
The relaxation response (from meditation) helps decrease metabolism, lowers blood pressure, and improves heart rate, breathing, and brain waves," Benson says. Tension and tightness seep from muscles as the body receives a quiet message to relax.
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After traveling for 6.0 seconds, a runner reaches a speed of 12 m/s after starting
from rest. What is the runner's acceleration?
A. 2 m/s²
OB. 72 m/s²
C..5 m/s²
D. 6 m/s²
Answer:
A
Explanation:
accel = Δv / Δ t = 12/6 = 2 m/s^2
Assuming the diode is ideal but with a forward voltage drop of. 65 volts, what is the voltage vr1, if v1=6v, and r1=921ω?
The ideal diode's current is 0.064 mA at a forward biased voltage drop of 65 V.
An ideal diode is a particular kind of electronic component that has two terminals, and only permits current to flow in one direction, with less zero resistance in one direction and infinite resistance in another.
The most often used type of diode is a semiconductor diode.
It is a crystalline semiconductor part with a PN junction that is connected to two electrical terminals.
We have provided values here.
[tex]V_{2}[/tex]=65 volts
[tex]v_{1} =6v[/tex]
[tex]r_{1} =921w[/tex]
[tex]I=V_{2 - V_{1} /I[/tex]= 65-6/921=0.064
The ideal diode's current is 0.064 mA at a forward biased voltage drop of 65 V.
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What forms of water will be present in a 1. 0 l flask at 303 k containing a visible amount of liquid water (the vapor pressure of water at 303 k is 31. 8 mmhg)?
Liquid and gas forms of water will be present in a 1. 0 l flask at 303 k containing a visible amount of liquid water(the vapour pressure of water at 303 k is 31. 8 mmHg).
Because the problem mentions that there is liquid water visible in the flask, liquid must be one of the correct options. Additionally, liquid water has a vapour pressure of 31.8 mmHg at the given temperature, meaning there will 31.8 mmHg of gaseous water present as well, so the correct answer is liquid and gas.
Vapour pressure or equilibrium vapour pressure is defined as the pressure exerted by a vapour in thermodynamic equilibrium with its condensed phases (solid or liquid) at a given temperature in a closed system. The equilibrium vapour pressure is an indication of a liquid's evaporation rate.
It relates to the tendency of particles to escape from the liquid (or a solid). A substance with a high vapour pressure at normal temperatures is often referred to as volatile. The pressure exhibited by vapour present above a liquid surface is known as vapour pressure.
As the temperature of a liquid increases, the kinetic energy of its molecules also increases. As the kinetic energy of the molecules increases, the number of molecules transitioning into a vapour also increases, thereby increasing the vapour pressure.
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Considering how the predictions compare to the observations, what does this imply about the mass distributed in the galaxy?
Answer:
The observations show a higher velocity than is predicted, mainly in the galaxy's outer regions, indicating that there is more mass in the exterior areas than we can see.
The observations show higher velocities than is predicted, mostly in the outer regions of the galaxy, indicating that there is more mass in the outer regions than we can see.
GalaxyA galaxy is a collection of gravitationally bound stars, stellar remains, interstellar gas, dust, and dark matter. The name comes from the Greek word galaxias, which means "milky" in reference to the Milky Way galaxy, which houses the Solar System. Galaxies range in size from dwarfs, which have fewer than 100 million stars, to supergiants, which have 100 trillion stars around their galaxy's center of mass. Galaxies, on average, contain an estimated 100 million stars.
A galaxy can be classified as elliptical, spiral, or irregular based on how it appears to the human eye. Supermassive black holes are considered to be present in the centers of several. Sagittarius A*, the name given to the center black hole of the Milky Way, has a mass that is four million times that of the Sun.
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PLEASE ANSWER THIS ASAP!!!
Oliver was listening to music streaming from a cell phone. The sound was clear with no interference until he entered a garage and went down to the 4th level for parking. Then, the music stopped playing entirely.
Is the music signal most likely an analog or digital signal, and how do you know?
(Choice A)
Analog because the music was always clear until it stopped playing.
(Choice B)
Digital because the music was always clear until it stopped playing.
(Choice C)
Analog because the signal reaches into the parking garage.
(Choice D)
Digital because the signal reaches into the parking garage.
Answer:
I guess B
Explanation:
Because it stop by it self so that is digital
what is the value of boltzmann constant and where is it used?
Answer:
the value of the boltzman constant 8.61 73303 into 10 ratio by - 5 EV upon knev
______ enables digital computers to communicate across different media, including telephone wires, cable lines, and radio waves.
Modem enables digital computers to communicate across different media, including telephone wires, cable lines, and radio waves.
A modulator-demodulator or modem is a computer hardware device that converts data from a digital format into a format suitable for an analog transmission medium such as telephone or radio. Modems converts or modulates the analog signals coming from telephone wire into digital form for example in form of 0 s and 1 s.
To transmit digital data, the sending modem must first modulate, or encode, a computer's digital signal into an analog signal that can travel over the phone line. The receiving modem must then demodulate, or decode, the analog signal back into a digital signal recognizable to a computer.
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Why can rock avalanches move downslope at speeds exceeding 200 km/hr (125 mi/hr)?
Rock avalanches move downslope at speeds exceeding 200 km/hr (125 mi/hr) because when the soil expands and compresses, it lifts certain particles and drops them downslope a short distance.
Landslides are the common name for soil or rock avalanches. The most frequent type of avalanche, snowslides, can travel downhill more quickly than a skier. When an unstable snow mass detaches from a slope, a snow avalanche starts.
Rock avalanches are caused by the rapid breakup of initially intact, highly fast-moving rock masses during transportation. In mountainous areas, rock avalanches, which are unexpected rock slope failures marked by high velocities, lengthy runouts, and massive volumes, are among the most deadly and costly geological hazards.
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Importance of knowledge of gravitational acceleration of planets in space exploration and continuity of life
Gravity has an effect on the ease of landing on moons and planets. And on leaving! Actually Earth is about as heavy a planet as one could want. It takes a lot of fuel to leave Earth and a huge amount of energy to ship anything from Earth. Hence the attraction of using the moon or Mars as a base for exploration. But if you have to ship everything to the moon and then transship to other destinations it’s a losing proposition. The only thing that would make it work would be the ability to find lots of water and oxygen on the moon.
If a total force exerted by water in a container with a bottom area of 3 square meters is 900 newtons, what's the water pressure at the bottom of the container?
_______________
S=3 m²
F=900 N
_______________
p - ?
_______________
p=F/S=900 N / 3 m² = 300 Pa
The index of refraction of the core of a typical fiber optic is ncore = 1. 46; the cladding has nclad = 1. 4. calculate the critical angles for the total internal reflection icrit and crit
critical angle = [tex]i_{cr}[/tex] = 73.7°
total internal reflection = [tex]\alpha[/tex]cr = 54.58°
Given:
refractive index of core, [tex]n_{core}[/tex] = 1.46
refractive index of clad, [tex]n_{clad}[/tex] = 1.4
The incidence angle that causes the refraction angle to be equal to that at that angle of incidence is known as the critical angle.
The incidence angle needs to be greater than the critical angle for Total Internal Reflection to happen.
Now, we know that the critical angle = θcr is given by:
sinθcr = [tex]\frac{n_{clad} }{n_{core} }[/tex]
θcr = [tex]sin^{-1}[/tex] ([tex]\frac{n_{clad} }{n_{core} }[/tex])
θcr = [tex]sin^{-1}[/tex] ([tex]\frac{1.4}{1.46}[/tex])
= [tex]sin^{-1}[/tex](0.96)
=73.7° = [tex]i_{cr}[/tex]
Now for [tex]\alpha[/tex]cr:
[tex]sini_{cr}[/tex]/[tex]sin\alpha _{cr}[/tex] = 1/[tex]n_{core}[/tex]
[tex]sin\alpha _{cr}[/tex] = sin(90° - 73.7°) × 1.46
[tex]sin\alpha _{cr}[/tex] = sin(16.3°) × 1.46
=-0.558 × 1.46
=-0.815
[tex]\alpha _{cr}[/tex] = [tex]sin^{-1}[/tex](0.815)
= 54.58°
What is total internal reflection?full refraction of a light ray from the surrounding surfaces back into a medium like glass or water. If the incidence angle exceeds a specific limitation angle known as the critical angle, the phenomenon will manifest.Why is total internal reflection termed that?Total internal reflection means that none of the light that might conceivably travel away from this surface is refracted and that all of it is reflected.
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The development and use of alternative energy source is very necessary in present day world. Explain this statement.
Answer:
In today's world pollution is very high so alternative energy such as solar energy help us to make pollution free world. So it is necessary to use alternative energy.
An electron moving at in a 1. 25-t magnetic field experiences a magnetic force of. what angle does the velocity of the electron make with the magnetic field? there are two answers
The angle the velocity of the electron make with the magnetic field is sin(∅) = 90° answer.
The equation F = qv X B may be damaged down into two elements, the significance and the path. The importance is given by F = qv B sin(∅),
Magnetic field = 1. 25-tesla
F = qv B sin(∅)
= sin(∅) = F/qv B
sin(∅) = qv X B/qv B
sin(∅) = 90° answer.
The most importance of the magnetic pressure appearing at the electron whilst its velocity v is perpendicular to B i.e magnetic discipline. The route of the force acting on the electron is the course the palm of the left hand faces. The path of the magnetic area, the direction of the transferring rate, and the route of the pressure on the particle are all perpendicular to each other.
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When a Celsius thermometer is inserted in a boiling liquid, the mercury thread
rises above the lower fixed point by 19.5cm. Find the temperature of boiling
liquid if the fundamental interval is 25cm.
The temperature of boiling liquid will be 78°C.
To find the correct answer, we need to know about the upper and lower fixed points of the thermometer.
How to find the temperature of boiling liquid?The lower fixed point is measured by the melting temperature of pure water.Given that, the fundamental interval is 25cm, which is the separation between the upper and lower fixed points.We have the equation for the temperature as,[tex]T=\frac{x-x_0}{x_{100}-x_0} *100[/tex]
where,
[tex]x=[/tex] length of liquid at T temperature = 19.5cm.
[tex]x_0=[/tex] length of liquid thread at ice point = 0°C
[tex]x_{100}=[/tex] length of liquid thread at steam point = 25 cm.
Substituting values, we get,[tex]T=\frac{19.5-0}{25-0}*100\\ T=0.78*100=78^0C[/tex]
Thus, we can conclude that, the temperature of boiling liquid will be 78°C.
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What charge appears on the plates of a 6. 0-μf capacitor when it is charged to 40 v?
Charge appeared on the plates of a 6.0 μf capacitor when it is charged to 40V is 240μC.
Capacitance of the capacitor is determined by the area of the plate of Capacitor and distance between the plates of capacitor.
Capacitor is dependent on the area of the plates, distance between the plates and medium present between the plates.
It is not dependent of the charge and voltage across the capacitor.
We know that Q = CV, where Q is the charge on capacitor, C is the Capacitance and V is the voltage applied across the capacitor.
Q = 6 × 10⁻⁶ × 40
Q = 240× 10⁻⁶ C
Q = 240 μC
Hence the charge on the plates of the capacitor is 240 μC.
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28. Water on the road can cause a vehicle to hydroplane. Your car may hydroplane at speeds as low as:
Your car may hydroplane at speed as low as 56 Kilometer per hour
What can cause a car to Hydroplane ?Hydroplaning occurs mostly during the raining period. When the tire of the car continue to loose grip and start skidding on the road surface.
It is true that water on the road can cause a vehicle to hydroplane. And your car may hydroplane at speeds as low as 35 mile per hour or approximately 56 kilometer per hour.
The three main factors of the car hydroplaning are;
Water depth which can determine how quicker a car can lose traction.Increase in speed of the vehicle. Increase in speed causes wet traction to reduce.Tire tread depth. Worn out tires could have less ability to resist hydroplaning.Therefore, your car may hydroplane at speeds as low as 56 Kilometer per hour approximately.
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As a 4-10 solar mass star leaves the main sequence on its way to becoming a red supergiant, its luminosity:____.
As a 4-10 solar mass star leaves the main sequence on its way to becoming a red supergiant, its luminosity: remains roughly constant.
A common unit of mass used in astronomy is the solar mass (M), which is around 2 1030 kg. It is frequently used to denote the masses of black holes, galaxies, stellar clusters, nebulae, and other objects. Its mass is comparable to that of the Sun.
A solar mass is the fundamental unit of mass used by astronomers. It makes more sense to talk about such cosmic objects in terms of solar masses rather than a much smaller measure, such as kilos, because the majority of things in space are enormous and heavy, such as stars, galaxies, and black holes.
When a moderately big star, ranging in size from 8 to 40 solar masses, runs out of hydrogen shells around the core heat up sufficiently to start fusion.n fuel, it evolves off the main sequence and switches to fusing helium in its core, resulting in the formation of a red supergiant. This causes the star's radius to increase, which lowers the star's temperature.
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Why doesn’t the total pressure increase when more gas is added to the chamber? (hint: what would you see if the volume of the chamber was fixed?)
Answer:
It won't increase according to Boyle's law
Explanation:
Volume of a gas varies inversely as the pressure so as more fixed volume of gas is added to the chamber the pressure reduces
A 1500-w heater is designed to be plugged into a 120-v outlet. part a what current will flow through the heating coil when the heater is plugged in?
Answer:
12.5 amps
Explanation:
Watt = volt * amp
1500 = 120 * I I = 12.5 amps
A 1500-w heater is designed to be plugged into a 120-v outlet. The current will flow through the heating coil when the heater is plugged in 12.5 Ampere.
To find the Current, the given values are:
Power p = 1500 W
Volt v = 120 v
What is Power?Power is the amount of work that is done per unit of time. It can be associated with the speed of a change of energy within a system, or the time it takes to perform a job.
There are different types of power,
Mechanical power: The work that performed by an individual or a machine in a certain period of time.
Electric power: The electric power can result of the multiplication of the potential difference between the ends of a load and the current flowing there.
Electric power can be written as,
P = VI
where, P - Power
V - Volt
I - Current intensity
Substituting all the values in the given formula,
1500 = 120 × I
I = 1500 / 120
= 12.5 Ampere
The current will flow through the heating coil when the heater is plugged in 12.5 Ampere.
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A 0. 22 kg clay target is fired at an angle of 35° to the horizontal. it reaches a maximum height of 4. 6 m. what is its initial speed when it is launched?
A 0. 22 kg clay target is fired at an angle of 35° to the horizontal. It reaches a maximum height of 4. 6 m. Its initial speed when it is launched will be u = 16.66 m/s
Projectile motion is the motion of an object thrown (projected) into the air. After the initial force that launches the object, it only experiences the force of gravity. The object is called a projectile, and its path is called its trajectory.
The object's maximum height is the highest vertical position along its trajectory. The horizontal displacement of the projectile is called the range of the projectile. The range of the projectile depends on the object's initial velocity.
h (max) = [tex]u^{2}[/tex] [tex]sin^{2}[/tex](theta) / 2g
given
theta = 35°
Maximum height = 4. 6 m.
u = ?
4.6 = [tex]u^{2}[/tex] * [tex]sin^{2}[/tex](35) / 2* 9.8
u = 16.66 m/s
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A car accelerates from west to east. In which direction is the force it applies on the road? What is the direction of the force applied by the road on the car?
Answer:
The car applies a force in the opposite direction it is moving to. That is; from east to west.
Explanation:
This obeys Newtons third law of motion.
