Physics 12  Mid-Year Review

10. A 0.060 kg steel ball is pushed 0.080 m down a launching tube against a spring. The force exerted by the spring increases from zero to 400 N as the ball is pushed down the tube, as shown in the graph below. (Assume no energy losses due to heat)


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a) The ball is then released. What is the speed of the ball as it leaves the tube?(3 marks)







b) What is the range, R, of the ball? (7 marks)