Graph shows variation of velocity of a rocket with time. Then, maximum height attained by

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2.Motion in Straight Line

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The graph shows the variation of velocity of a rocket with time. Then, the maximum height attained by the rocket is ...........$km$ :-

A

$1.1$

B

$5$

C

$55$

D

None of these

Solution

Maximum height of $v-t$ graph $=$ Area under $v-t$

$\Rightarrow$ Maximum height of rocket $=\frac{1}{2} \times 110 \times 1000 \mathrm{m} / \mathrm{s}$

$=55000 m=55 k m$

Standard 11

Physics

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