Question

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what is the momentum of a ball of mass 20g moving with velocity of 800m/s

1. 1.6 kgm/s

2. 16 kgm/s
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Answer 1

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Answer 2

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drtechnicalpoint54

drtechnicalpoint54

15.12.2020

Physics

Secondary School

answered • expert verified

What is the momentum of a ball of mass 20g moving with velocity of 800m/s

1. 1.6 kgm/s

2. 16 kgm/s

2

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Blossomfairy

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Given :

Mass of ball, m = 20 g = 0.02 kg

Velocity, v = 800 m/s

To find :

Momentum, p

According to the question,

As we know,

Momentum can be defined as the product of mass and velocity.

So,

➞ Momentum = Mass × Velocity

Or,

➞ p = mv

➞ p = 0.02 × 800

➞ p = 16 kg m/s

So,the momentum is 16 kg m/s.

Option 2) 16 kg m/s is correct.

_______________________________

Momentum :-

SI unit is kg m/s.

It is vector quantity.

It is denoted as p.

Mass :-

SI unit is kg.

It is scalar quantity.

It is denoted as m.

Velocity :-

SI unit is m/s.

It is vector quantity.

It is denoted as v.

Explanation:

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