The first man jumps and his parachute does NOT open he accelerates at 10m/s/s for 4 secondS before the parachute opens how fast is he going just before the parachute opens? PLEASE...

The first man jumps and his parachute does NOT open he accelerates at 10m/s/s for 4 secondS before the parachute opens how fast is he going just before the parachute opens? PLEASE...

a roller coaster is moving at 10m/s at the top of the hull and 22 m/s at the bottom of the hill two seconds later. Explain how to find the acceleration of the roller coaster then find the average...

A 1.5 tonne car travelling at 100km/h suddenly brakes. The brakes provide an overall force of 50 times the normal reaction. Calculate the acceleration of the car.

A small car of mass 500kg is travelling at 120km/h when it hits stationary truck (of 1.5 tonne mass) head on. The small car rebounds and travels in the opposite direction at 40km/h. The collision...

a car is stopped and a truck drives by at a speed of 28.0 m/s. if the other car is at a stop and starts accelerating at a speed of 4m/s, how long will it take to catch up?

Marks: --/2 A 17.9kg box is accelerating down a 35° incline. The coefficient of kinetic friction is 0.53. What is the acceleration of the box? Give your answer . . . in terms of m/s2...

A mass is being pulled up an incline plane. The angle of the incline plane is 33 degrees. The mass is 11 kg and the pulling force is 185 N at an angle of 25 degrees to the plane. The coefficient of...

The blocks A and B are connected by a piece of string. Block B rests on an inclined plane of 36 degrees and block a hangs vertically. The coefficient of friction between Block B and the inclined plane...

You need to move a 53 kg armoire across the room. If you push with a force of 68 N, and the armoire accelerates at 0.10 m/s2 squared, what is the coefficient of friction of the carpet?

A car accelerates uniformly from rest at 12.5 m/s^2 for 10 seconds. It then brakes to a rest over a distance of 1000 meters.

Acceleration is sometimes expressed in multiples of g, where is the acceleration due to Earth's gravity. In a car crash, the car's velocity changes from to in In terms of g, what is the acceleration...

Mars has a mass of 6.4 × 1023 kg. It has a moon named Phobos with a mass of 1.07 × 1016 kg. a. If their centers are 9400 km apart, what is the force of gravity acting on Phobos? b...

Are the following roller coasters accelerating? Yes or No? And explain why please. A roller coaster speeding up? A roller coaster speeding down? A roller coaster moving in a straight...

At the bottom of the loop of your roller coaster, the velocity is 30 m/s and the radius of the loop is 50 m. Is the amount of acceleration riders will experience in this loop considered safe? Why...

Martin sells a stock investment for $26,000 on August 2, 2015. Martin's adjusted basis in the stock is $15,000. a. If Martin acquired the stock on November 15, 2014, calculate the amount...

If a cannonball was shot off 20 meters away from a soldier, and it's acceleration was 5m/s^2. What was the cannonball's final speed when it hit the soldier? Hint: The Initial speed...

Duane has a mass of 73 kg and slides down an icy hill on a sled. The hill has an angle of 15 degrees and there is no friction. I know that acceleration is the change in velocity/...

I dont know how to figure this out.

As a ball falls, its acceleration is... Multiple Choice: A) positive B) negative C) it has no acceleration I know the answer is A) positive. But why? Please...

As a bus accelerates, the passengers on the bus are jolted toward the back of bus. Explain what causes the passengers to be apparently pushed backward.

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