A) 3.0 ms?1
B) 5.7 ms?1
C) 3.82 ms?1
D) 2.86 ms?1
Correct Answer: D
Solution :
\[{{a}_{1}}{{v}_{1}}={{a}_{2}}{{v}_{2}}\] Þ \[4.20\times 5.18=7.60\times {{v}_{2}}\Rightarrow {{v}_{2}}=2.86\ m/s\]
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