What is the average force exerted on the ball

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Q. A 3.20 kg steel ball strikes a wall with a speed of 10.0 m/s at an angle of 60.0° with the surface. It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.175 s, what is the average force exerted on the ball by the wall?

Q. How fast (in ) must a centrifuge rotate if a particle 6.50 from the axis of rotation is to experience an acceleration of 125,000 's?

Reference no: EM1358771

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