A) 12000 J
B) 12000 J
C) 4500 J
D) 9300 J
Correct Answer: C
Solution :
\[\frac{8}{V}=\frac{10}{50}\] \[V=40\,m/s\] \[W=\frac{1}{2}\times 10\times (1600-2500)\] \[=\frac{1}{2}\times 10\times (-900)\] \[=-4500\,J\]You need to login to perform this action.
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