At a particular height the velocity of an ascending body is u. The velocity at the same height while the body fall under gravity is
A
u
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B
u2
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C
2u
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D
u/2
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Solution
The correct option is Au The velocity of ascending body =u
Let there is no air resistance, when body falls freely in downward direction. The direction of falling body is opposite to the ascending body. The velocity at the same height while the body fall under gravity is u.