A) \[600W\]
B) \[300W\]
C) \[150W\]
D) \[75W\]
Correct Answer: A
Solution :
Power of gun \[=\frac{\text{Total K}\text{.E}\text{. of fired bullet}}{\text{time}}\] \[=\frac{n\times \frac{1}{2}m{{v}^{2}}}{t}=\frac{360}{60}\times \frac{1}{2}\times 2\times {{10}^{-2}}\times {{(100)}^{2}}=600\,W\]
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