A body of mass 5 kg has a velocity of 20 metres per second- Its momentum is-A- 100 kg m s -1B- 25 kg m s -1C- 40 kg m s -1D- 50 kg m s -1

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Question

A body of mass 5 kg has a velocity of 20 metres per second. Its momentum is .

100 {kg m s}^{- 1}

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25 {kg m s}^{- 1}

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40 {kg m s}^{- 1}

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50 {kg m s}^{- 1}

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Solution

The correct option is A $100 {kg m s}^{- 1}$
Given:
Mass of the ball, $m = 5 kg$
Velocity of the ball, $v = 20 {m s}^{- 1}$
The momentum of the ball is given by product of its mass and velocity.
$p = mv$
$= 5 kg \times 20 {m s}^{- 1}$
$= 100 {kg m s}^{- 1}$

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A body of mass 5 kg has a velocity of 20 metres per second. Its momentum is .

The correct option is A 100 kg m s−1Given: Mass of the ball, m=5 kg Velocity of the ball, v=20 m s−1 The momentum of the ball is given by product of its mass and velocity. p = mv =5 kg×20 m s−1 =100 kg m s−1

The correct option is A $100 {kg m s}^{- 1}$
Given:
Mass of the ball, $m = 5 kg$
Velocity of the ball, $v = 20 {m s}^{- 1}$
The momentum of the ball is given by product of its mass and velocity.
$p = mv$
$= 5 kg \times 20 {m s}^{- 1}$
$= 100 {kg m s}^{- 1}$