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An aeroplane at a constant speed release...

An aeroplane at a constant speed releases a bomb.As the bomb drops away from the aeroplane,

A

always be vertically below the aeroplane only if the aeroplane was flying horizontally

B

always be vertically below the aeroplane only if the aeroplane was flying at an angle of `45^@` to the horizontal

C

always be vertically below the aeroplane

D

gradually fall behind the aeroplane only if the aeroplane was flying horizontally

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