A ball is ihrown from ihe ground and reaches a maximum heighi of 20 m from the ground. The ball falls on the ground at the same level 25 m away from the point of ihrow afier some time. How much work is done by graviiy on ihe ball? Give reasons in suppori of your answer.
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PHYSICS
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A ball thrown up from the ground reaches a maximum height of 20 m. Find:
a.Its initial velocity.
b.The time taken to reach the highest point.
c.Its velocity just before hitting the ground.
d.Its displacement between 0.5 s and 2.5 s.
e.The time at which it is 15 m above the ground.
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