What does the law of the conservation of momentum state?

a)when two objects collide, they will keep their initial speeds.

b)when two objects collide, they will each keep their initial momenta.

c)when two objects collide, the system's momentum remains the same.

d)when two objects collide, the system's momentum changes.

The answer is option C

Explanation: The law of conservation of momentum states that when two bodies collide, in a closed or an isolated system, the total momentum before the collision is equal to the total momentum after the collision provided that no external force is acting on them.

That is, the system momentum remain the same.

Momentum, p = mv (measured in Kg. m/s)

Where

V = velocity of the body

m = mass of the body

For conservation of momentum

mv = constant

That is,

m1v1 = m2v2

C. When two objects collide, the system's momentum remains the same.

Explanation:

I took the test and got it correct.

Hope this helps! :)

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