# physics

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A ball of mass 100 g moving with a velocity of 20 ms-1 is brought to rest in 0.02 s. The average force on the ball is ____.

• physics -

Force = change in momentum / change in time
= .1 * 20 / .02
= 100 N

• physics -

100n

• physics -

mujhe kuch nahi aata

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