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(a) A student kicked a ball vertically upwards with an initial velocity of 8mls. Determine:
i) The time taken to reach maximum height
ii) The maximum height reached by the ball
(b) In a hockey match, a player hit a stationary ball of mass 800g with a force of 500N using a hockey stick. Find the velocity with which the ball leaves if the stick and ball are in contact for 0.02 seconds.