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Standard XII

Physics

General Gravity Problem

A body is pro...

Question

A body is projected vertically upward with an initial velocity $30 m / s$ . Its velocity after $2$ sec is:-

10 m / s

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20 m / s

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40 m / s

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30 m / s

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Solution

The correct option is A $10 m / s$
$(A)$
$u = 30, a = - g$
using: $v = u + a t$
$v = 30 - 10 \times 2$
$v = 10 m / s$

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A body is projected vertically upward with an initial velocity 30 m/s. Its velocity after 2 sec is:-

The correct option is A 10 m/s(A)u=30,a=−gusing: v=u+atv=30−10×2v=10m/s

A body is projected vertically upward with an initial velocity $30 m / s$ . Its velocity after $2$ sec is:-

The correct option is A $10 m / s$
$(A)$
$u = 30, a = - g$
using: $v = u + a t$
$v = 30 - 10 \times 2$
$v = 10 m / s$