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Question

An aeroplane is flying horizontally with a velocity of $$600 km/h$$ and at a height of $$1960 m$$. When it is vertically at 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
1200m
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B
0.33km
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C
3.33km
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D
33km
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Solution

The correct option is C $$3.33 km$$
The velocity with which the bomb is released is $$600km/h(horizontal)$$.
Vertical velocity of the bomb is $$zero$$.
So.distance $$AB=600\dfrac{5}{18}*t$$        $$t$$ is the time taken by the bomb to reach the ground.
$$1960=g\dfrac{{t}^{2}}{2}$$
which gives $$AB$$ equal to $$3.3.km$$.


Physics

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