A) 4.28 N-s, upward
B) 4.28 N-s, downward
C) 8.56 N-s, upward
D) 8.56 N-s, downward
Correct Answer: A
Solution :
The velocity of ball just before collision \[=\sqrt{2g\times 1.2}=\sqrt{2.4g}\,\text{m/s}\]in downward direction.You need to login to perform this action.
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