A stone is thrown vertically upwards with an initial velocity of 30m/s. The time taken for the stone to rise to its maximum height is [Take g=10m/s2]
A
4sec
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B
2sec
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C
3sec
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D
6sec
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Solution
The correct option is C3sec As we know that, at maximum height, velocity of the stone will be zero i.e. v=0 Give, initial velocity of stone u=30m/s Time taken by stone to rise to its maximum height is T=ug=3010=3sec