An aeroplane is flying vertically upwards. When it is at a height of \( 1000 \mathrm{~m} \) abov...

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An aeroplane is flying vertically upwards. When it is at a height of \( 1000 \mathrm{~m} \) above the ground and moving at a speed
\( \mathrm{P} \) of \( 367 \mathrm{~m} / \mathrm{s} \), a shot is fired at it with a speed of \( 567 \mathrm{~m} \mathrm{~s}^{-1} \) from a point directly below it. What should be the acceleration
W of aeroplane so that it may escape from being hit?
(1) \( 5 \mathrm{~m} \mathrm{~s}^{-2} \)
(2) \( 10 \mathrm{~m} \mathrm{~s}^{-2} \)
(3) \( 10 \mathrm{~ms}^{-2} \)
(4) Not possible
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