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Q.

A rocket is fired upwards. Its engine explodes fully is 12 s. The height reached by the rocket as calculated from its velocity-time graph is

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a

$\frac{1200}{12} m$

b

1200 × 132 m

c

1200 × 66 m

d

$1200 \times 12^{2} m$

answer is A.

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Detailed Solution

Height reached $= \frac{1}{2} \times 132 \times 1200 m = 66 \times 1200 m$

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