3- A ball was launched with V=30m/s and 45 degrees to horizon from the ground. It bounces at point A on the ground and losses its vertical speed vi=rt(3)vf. The ball flies off and bounces off point B.
a) What is the distance from point A to point B?
b) To maximize the distance from A to B, what should be the initial angle?
c) What is the ratio of the displacement from origin to point A and from A to B?
d) How far the ball traveled from origin to point A and from A to B?
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found (b) to be 60 degrees
What is meant by 'losses its vertical speed'. If it has no more vertical speed it should just slide along the ground...