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Question

An aeroplane is flying horizontally with a velocity of 600 km/h at a height of 1960 m. When it is vertically above a point A on the ground, a bomb is released from it. The bomb strikes the ground at point B. The distance AB is


A

1200 m

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B

0.33 km

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C

3.33 km

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D

33 km

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Solution

The correct option is C

3.33 km


The time taken by bomb to reach the ground falling from a height h = 1960 m is given by
t=2hg=(2×19609.8)1/2=20 s=2060×60 h=1180 h
Distance AB =vt=600×1180=3.33 km
Hence, the correct choice is (c).


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