Send answer please $$$$$$$$$$$$$$$$$$$$$$
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nit123123456:
ans 30
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hey mate !!! here is your answer...
two momentums acc/to two cases..
cheers !!! pls verify first ..
two momentums acc/to two cases..
cheers !!! pls verify first ..
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ans 30
a= - g kesa
change in momentum = initial momentum - final momentum
= -10- 20= -30 ans
i forgot to write this
a= -g becoz the gravitation force is acting downward
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