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Standard XII

Physics

Horizontal and Vertical Components of Projectile Motion

A body of mas...

Question

A body of mass 1 kg is projected from the ground at an angle $30^{0}$ with horizontal on the level ground at a speed 50m/s.

50 k g m s^{- 1}

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100 kg

m s^{- 1}

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25 kg

m s^{- 1}

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Zero

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Solution

The correct option is A $50 k g m s^{- 1}$
Given,
$m = 1 k g$
The final velocity is zero. and the initial velocity is $u = 50 m / s$
Initial momentum is $P = m u$
$P = 1 \times 50 = 50 k g m / s$

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A body of mass 1 kg is projected from the ground at an angle 300 with horizontal on the level ground at a speed 50m/s.

The correct option is A 50kgms−1Given,m=1kgThe final velocity is zero. and the initial velocity is u=50m/sInitial momentum is P=muP=1×50=50kgm/s

A body of mass 1 kg is projected from the ground at an angle $30^{0}$ with horizontal on the level ground at a speed 50m/s.

The correct option is A $50 k g m s^{- 1}$
Given,
$m = 1 k g$
The final velocity is zero. and the initial velocity is $u = 50 m / s$
Initial momentum is $P = m u$
$P = 1 \times 50 = 50 k g m / s$