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A ball of mass 0.220 kg that is moving with a speed of 6.3 m/s collides head-on and elastically with another ball initially at rest. Immediately after the collision, the incoming ball bounces backward with a speed of 3.6 m/s. (Assume the positive direction is forward.)
(a) Calculate the velocity of the target ball after the collision.
m/s
(b) Calculate the mass of the target ball.
kg
You are walking along a small country road one foggy morning and come to an intersection. While you are crossing, you hear an ambulance siren, At what speed is the ambulance traveling
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A cylinder rolls without slipping down an incline that makes a 57° angle with the horizontal. What is the acceleration of the cylinder
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A mechanic pushes a 3.20 X 10^3 kg car from rest to a speed of v, doing 5,100 J work in the process. find the horizontal force exerted on the car
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