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A 10 g bullet moving 1000 m/s strikes and passes through a 2.0-kg block initially at rest, as shown. The bullet emerges from the block with a speed of 400 m/s. (a) (5 pts) How much energy was lost in the collision? (b) (5 pts) Calculate the average force exerted on the block assuming that the impact time is 10-4s. (c) (5 pts) To what maximum height will the block rise above its initial position?
A 1.50*10^3-kg car starts from rest and accelerates uniformly to 19.1 m/s in 12.0 s. Find the average power developed by the engine
What is specific gravity of this other fluid
A projectile is fired from the edge of a 10m high cliff at 10m/s and an angle of 30 degrees from the horizontal. what is the magnitude of the final velocity
This seemed pretty straight foward but i get a bad anwser. In the solutions for this problem they just took the diameters, What is the speed in the second segmen
Consider the interface between atmospheric air and a body of water, both at 17 °C. What are the mole and mass fraction of water at the air side of the interface? At the water side of the interface?
The .50 kg box shown below is sliding with an unknown initial velocity before it slides down the incline and then collides with a mass less spring of spring constant 4.0 N/m, what was the initial velocity of the box
At a carnival, you can try to ring a bell by striking a target with a 7.99-kg hammer. How fast must the hammer be moving when it strikes the target so that the bell just barely rings
A child whose weight is 262 N slides down a 4.80 m playground slide that makes an angle of 49° with the horizontal. The coefficient of kinetic friction between slide and child is 0.09.
In a cyclotron (one type of particle accelerator), a deuteron (of atomic mass 2.00 u) reaches a final speed of 11.0% of the speed of light while moving in a circular path of radius 0.475 m. What magnitude of force is required
A tennis ball is hit with a vertical speed of 30 m/s and a horizontal speed of 25 m/s. How long will the ball remain in the air
q1. a battery having an emf of 11.10 v delivers 102 ma when connected to a 61.0 load. find out the internal resistance
If the electric field strength in air exceeds 3.0 multiplied by 106 N/C, the air becomes a conductor. Using this fact, determine the maximum amount of charge that can be carried by a metal sphere 3.1 m in radius.
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