A ball is thrown down vertically with an initial speed of 20 m/s from a height of 60 m. Find (a) its speed just before it strikes the ground and (b) how long it takes for the ball to reach the ground. Repeat (a) and (b) for the ball thrown directly up from the same height and with the same initial speed. koi on hai kya...xd​
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A ball is thrown down vertically with an initial speed of 20 m/s from a height of 60 m. Find (a) its...
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