A) \[2m\]
B) \[2\,m\upsilon \]
C) \[+8m\upsilon \]
D) Zero
Correct Answer: B
Solution :
The collision is elastic, so the ball restrons with velocity \[\upsilon \] So, change in moment in \[=m\upsilon -(-m\upsilon )\] \[=2m\upsilon \]You need to login to perform this action.
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