A metal ball and a rubber ball both having the same mass strikes a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that
A
the rubber ball suffers greater change in momentum
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B
the iron ball suffers greater change in momentum
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C
both suffers the same change in momentum
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D
none of the above
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Solution
The correct option is A the rubber ball suffers greater change in momentum Rubber ball ΔP=2mV Metal ball ΔP=mV