A) 4J
B) 8J
C) 6J
D) 12J
Correct Answer: C
Solution :
\[K.E.=\frac{1}{2}m{{v}^{2}}\] \[\text{Mass of system = M+m=2+1=3kg}\] \[\text{K}\text{.E}\text{.=}\frac{1}{2}\times 3\times {{2}^{2}}\] \[=6J\]You need to login to perform this action.
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