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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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?

Mathematics
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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...
the loss is only the rt3

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What is that vi=rt(3)vf supposed to mean anyway?
vi is the initial velocity and vf is the final velocity
and rt(3) is just an arbitrary fraction of 1?
yeah, what is rt(3)?
the loss in the vertical velocity after it bounces
okay you know that\[v _{i} = 30. \] you know that it was launched at 45 degrees. find out the horizontal and vertical components of Vi
velocity vector <15sqrt(2), 15sqrt2 - 10t> position vector < t15sqrt(2), t15sqrt(2) - 5t^2>
what is the 15sqrt2 - 10t in the velocity vector supposed to mean?
are you approximating g to 10?

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