Question

4. A body X has a momentum of 60kgm/s, what will happen to the momentum if its velocity is doubled?​

Answer 1

Let the mass and velocity be m and v respectively

Momentum = 60

m×v = 60

mv = 60 kgm/s

New momentum = m×2v

= 2mv

= 2×60

= 120 kgm/s

Answer 2

If the velocity of the body is doubled then the momentum will be equal to 120 e kgm/s

Explanation:

• the momentum is the product between the velocity and the mass of the body , since the mass of a body is a constant thing it is not subjected to any change. Whereas it has been stated above that the momentum of the body will change with change in the velocity.
• There is doubling of the velocity and as a result of this there will be a doubling of the value of the momentum since the momentum is directly proportional to the velocity

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