Question

What will be the momentum of a body of mass 'm' which is moving with a velocity 'v'?​

Answer 1

Explanation:

If a body with mass 'm' is moving with a velocity 'v', then the momentum of the body 'p' is given as :

• p = mv

Momentum is the quantity of motion that an object has, we say that that team in sin momentum, that means they are in motion and playing well. It can be defined as mass in motion. Its S.I unit is Kg.m/s. It is a vector quantity has both magnitude and direction.

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Relationship between kinetic energy and momentum :

K.E = 1/2 mv² (1)

P = mv or v = P/m (2)

Substitute value of v = p/s in (1) :

K.E = 1/2 m(p/m)²

K.E = p²/2m

p² = 2 mK..E

∴ Kinetic energy and momentum are related as :

p = √2mK.E

K.E = p²/2m

Answer 2

Answer:

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