Physics-
General
Easy
Question
With what velocity a ball be projected vertically so that the distance covered by it in 5th second is twice the distance it covers in its 6th second (
)
The correct answer is:
Given 
By solving we get 
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A ball is thrown vertically upwards. It was observed at a height 
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From the top of a tower of height 50m, a ball is thrown vertically upwards with a certain velocity. It hits the ground 10 s after it is thrown up. How much time does it take to cover a distance 
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