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A body falls from the top of a building ...

A body falls from the top of a building and reaches the ground 2.5 s later. How high is the building ? (Take g = 9.8 m`s^(-2)`)

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30.6 m
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ICSE-LAWS OF MOTION-EXERCISE - 3(E) (Numericals)
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  14. A ball is thrown vertically upwards with a velocity of 49 m/s. Calcula...

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  15. A ball is thrown vertically upwards with an initial velocity of 49 m s...

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  16. A stone is dropped freely from the top of a tower and it reaches the g...

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  17. A pebble is dropped freely in a well from its top. It takes 20 s for t...

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  18. A pebble is dropped freely in a well from its top. It takes 20 s for t...

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