If a body is thrown vertically upward and rises to a height of 10 m, then time taken by the body to reach the highest point is

1.043 s

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1.43 s

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1.024 s

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None of these

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Solution

The correct option is A 1.043 s
From $v = u - g t$
$0 = 10 - 9.8 t$
$\Rightarrow u^{2} = 196$
$\Rightarrow t = \frac{10}{9.8} = 1.043 s e c$

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The correct option is A 1.043 sFrom v=u−gt0=10−9.8t⇒u2=196⇒t=109.8=1.043sec

The correct option is A 1.043 s
From $v = u - g t$
$0 = 10 - 9.8 t$
$\Rightarrow u^{2} = 196$
$\Rightarrow t = \frac{10}{9.8} = 1.043 s e c$