Question

a ball is thrown vertically upwards what is its momentum at the highest point?

Answer 1

At the highest point the momentum must be zero because after it no force exert over it and F=0 because F = dp\dt , therefore momentum is zero

Answer 2

Hi Srithi!!

We can mathematically define momentum as the product of the mass of the body and the velocity with which it is travelling.
now, at the highest point, the velocity of a ball becomes zero
so, v= 0

Therefore, Momentum = p = mv
                                           = m X 0
                                           = 0

So, clearly the momentum of the ball at the highest point is 0


Hope that cleared your doubt friend!
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