a ball of mass 0,05kg travelling at 4ms hits a wall and rebounces without any change in its speed. If the ball remains in contact with the wall for 0.01 sec. then the force exerted by the ball on the wall is
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Answer: 20N
Explanation: Force = Mass * Acceleration
F = 0.05kg *
= 20N
asha2003:
ya i got the same answer but that option was not there in my book
which option?
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