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Physics

09/07/22

A tennis ball is dropped from 1.21 m above the ground. It rebounds to a height of 0.82 m. With what velocity does it hit the ground? The acceleration of gravity is 9.8 m/s?

Answer in m/s

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Physics Math Trigonometry

09/06/22

Help me solve this problem!!

Vector A has a magnitude of 8.00 units and makes an angle of 45.0° with the positive x-axis. Vector B also has a magnitude of 8.00 units and is directed along the negative x-axis. (Show work!)a)... more

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Physics Math

09/06/22

Help me solve this!!!

Traumatic brain injury such as concussion results when the head undergoes a very large acceleration. Generally, an acceleration less than 800 m/s2 lasting for any length of time will not cause... more

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Physics

09/05/22

What is the answer

While John is traveling along a straight interstatehighway, he notices that the mile marker reads234Am. John travels until he reaches the 131Ammarker and then retraces his path to the 161/mmarker.... more

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Physics

09/05/22

What is the resistance between P and Q?

Please answer with the steps if possible,thankyou!

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Physics

09/05/22

The cheetah's maximum speed

Another day on the Serengeti. A cheetah at rest spies her prey, a Thomson’s gazelle, and initiates a chase. The cheetah moves in a straight line, accelerating uniformly for the first 1.99 seconds... more

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Physics

09/05/22

Find the acceleration of the train, in m/s^2

You are stuck at a railroad crossing with nothing to do but watch the train cars roll by. You notice that one car takes 3.67 seconds to pass you, but the next car takes 3.27 seconds to pass you.... more

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Physics

09/04/22

The distance the jet traveled along the runway.

Preparing for take-off, a jet starts at rest on the runway. The pilot fires up the engines, which accelerate the jet at a rate of 3.81 m/s2. The jet lifts off the runway as it reaches a speed of... more

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Physics

09/04/22

Find the speed of the car, in m/s, as it reaches the red light

The driver of a car traveling at 22.9 m/s sees a yellow light ahead. The car is 37.7 m from the light when the light turns red. At that moment, the driver applies the brakes as hard as possible,... more

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Physics

09/04/22

Find the refracted angle.

The refractive index of glass in 1.5. A ray of light is transmitted from air to glass at an angle of 42. Find the refracted angle.

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Physics

09/04/22

The gravitational potential energy of a body depends on...

The gravitational potential energy of a body:1) depends on the fluid that surrounds the body2) does not depend on the mass of the body3) depends on the body temperature4) depends on the chosen... more

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Physics

09/04/22

Physics Question

Dear experts, Im having trouble answering the following question:If the potential difference across an ohmic conductor is halved, the dissipated power:1) increases by a factor of 42) decreases by a... more

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Physics

09/03/22

Can you please help me with this problem??

A snail moves with an average velocity of 0.01 ms^-1 . How much time will it take the snail to travel a distance of one mile? A mile is roughly 1.6 kilometer.a- More than 44 hours.b- 160 sec.c-... more

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Physics

09/03/22

High school physics momentum

If a 22 g bullet, shot straight up into the air, reaches an altitude of 4.59 km, what is the recoil velocity of the 3 kg rifle.answer: -2.2 m/s

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Physics

09/03/22

High school physics momentum

A 3.2 kg object is dropped from a height of 3.4 m. what is the momentum (in kgm/s) after 0.22 seconds?the answer is 6.49 kgm/s, plz show work

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Physics

09/03/22

Determine the value of the voltage v in Figure P 3.4-9

Here is a figurehttps://im.ge/i/ObwwmS

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Physics

09/01/22

Find the energy equivalent to the spilled oil in joules

in 2010, a well being filled from the deep water horizon platform in the golf of Mexico blew out, spilling some 5 million barrels of oil into the water over three months. Find the energy equivalent... more

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Physics

09/01/22

Three point charges are arranged in a horizontal line as shown below.

Three point charges are arranged in a horizontal line as shown below. Find the electric forces (in units of kQ2/R2) on the charges given the following: Q1 = 2 Q, Q2 = 125 Q, Q3 = 108 Q, r1 = 1 R,... more

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Physics

09/01/22

What is the magnitude of the electric field of a proton at a distance of 25 micrometers?

What is the magnitude of the electric field of a proton at a distance of 25 micrometers? Remember, the charge on a proton is 1.6e-19 C. (This is given on your formula sheet.) (in units of N/C)

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Physics Math

09/01/22

Help me solve this!!

A rectangular airstrip measures 33.00 m by 280 m, with the width, measured more accurately than the length. Find the area (in m2), taking into account significant figures.

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Physics Math

08/31/22

Help me solve this

Two boats start together and race across a 58-km-wide lake and back. Boat A goes across at 58 km/h and returns at 58 km/h. Boat B goes across at 29 km/h, and its crew, realizing how far behind it... more

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Physics

08/31/22

Velocity Question

The position of a particle as a function of time is given by x(t) = (4.4 m/s2)t2 - (3.47 m/s3)t3.What is the velocity of the particle, in m/s, at t= 2.26 s?

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Physics

08/31/22

Physics Question

A rocket moves straight upward with an acceleration a(t) = A - Bt1/2, where A and B are constants, and a is in m/s2 and t is in seconds. What are the units of A?

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Physics

08/31/22

Velocity (Vertical Component)

A ball is thrown from a rooftop with an initial downward velocity of magnitude vo = 1.3 m/s. The rooftop is a distance above the ground, h = 42 m. In this problem use a coordinate system in which... more

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Physics

08/30/22

Amazon is experimenting with drone delivery and you are asked to determine a drone's delivery route.

Amazon is experimenting with drone delivery and you are asked to determine a drone’s delivery route. The drone will leave the Amazon warehouse, make two deliveries, and then return to the... more

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Answers •2

A tennis ball is dropped from 1.21 m above the ground. It rebounds to a height of 0.82 m. With what velocity does it hit the ground? The acceleration of gravity is 9.8 m/s?

Help me solve this problem!!

Help me solve this!!!

What is the answer

What is the resistance between P and Q?

The cheetah's maximum speed

Find the acceleration of the train, in m/s^2

The distance the jet traveled along the runway.

Find the speed of the car, in m/s, as it reaches the red light

Find the refracted angle.

The gravitational potential energy of a body depends on...

Physics Question

Can you please help me with this problem??

High school physics momentum

High school physics momentum

Determine the value of the voltage v in Figure P 3.4-9

Find the energy equivalent to the spilled oil in joules

Three point charges are arranged in a horizontal line as shown below.

What is the magnitude of the electric field of a proton at a distance of 25 micrometers?

Help me solve this!!

Help me solve this

Velocity Question

Physics Question

Velocity (Vertical Component)

Amazon is experimenting with drone delivery and you are asked to determine a drone's delivery route.

Still looking for help? Get the right answer, fast.

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