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A ball is thrown vertically upwards wit...

A ball is thrown vertically upwards with velocity of `25m/s` from the top of a tower of height 30m . How long will if travel before it hits the ground ?

A

6s

B

5s

C

4s

D

12s

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • A ball is thrown vertically upwards from the ground with a velocity of 24.5 m/s . If g=9.8 m/s^2 , then the ball will be at a height of 29.4 metres from the ground after time

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    B
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    C
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    D
    2 sec and 1 sec

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    B
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    `(6u^2)/g`
    D
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