A cart of mass 5 kg is held on the ramp at a height of 2.5 m. Another cart of mass 5 kg is on a frictionless surface sitting next to a spring with spring constant 158 N/m. At some instant, the first cart starts sliding down and hits the second cart. If the collision between the carts is elastic in nature, find the compression in the spring caused by the second cart. [limit your answers within one decimal places]. M1 Iww. k m2

A bullet of mass 2 kg is headed at horizontal speed 60 m/s toward a block of mass14(2 kg) = 28 kg resting on a horizontal frictionless surface. The bullet strikes the blockand comes to rest relative to the block somewhere deeply embedded inside the block.What average force did the block exert onthe bullet while it was coming to a stop insidethe block, if the stopping process took 0.04 s? 1. −200 N2. Not enough information is provided toanswer.3. −2800 N4. 3000 N5. 200 N6. 2800 N7. −3000 N8. Zero, since the bullet comes to rest relative to the block.

A 3.90-kg steel ball strikes a wall with a speed of 9.0 m/s at an angle of 0= 60.0° with the surface. It bounces off with the same speed and angle (see figure below). If the ball is in contact with the wall for 0.200 s, what is the average force exerted by the wall on the ball? (Assume right and up are the positive directions.) F₁ = N F₂ Submit Answer Ⓡ a delete

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Two bricks, each of mass M, head directly toward each other on a frictionless surface and collide, as shown. Brick A has twice the speed as brick B. Which one of the following statements is true regarding the forces the objects exert on each other during the collision? 2v – A В The magnitude of the force that A exerts on B is four times smaller than the magnitude of the force that B exerts on A. The magnitude of the force that A exerts on B is two times smaller than the magnitude of the force that B exerts on A. The magnitude of the force that A exerts on B is equal to the magnitude of the force that B exerts on A. O The magnitude of the force that A exerts on B is twice as large as the magnitude of the force that B exerts on A. The magnitude of the force that A exerts on B is four times as large as the magnitude of the force that B exerts on A.

d and e

A 0.750 kg hammer is moving horizontally at 4.50 m/s when it strikes a nail and comes to rest after driving it 1.00 cm into a board. (a) Calculate the duration of the impact in seconds. (b) What was the average force in newtons exerted on the nail? |N

A 0.450 kg hammer is moving horizontally at 8.00 m/s when it strikes a nail and comes to rest after driving it 1.00 cm into a board. (a) Calculate the duration of the impact in seconds. (Enter a number.) S (b) What was the average force in newtons exerted downward on the nail? (Enter a number.) N