A) 115. 6 W
B) 215.6 W
C) 15.6 W
D) 11.56 W
Correct Answer: A
Solution :
Linear velocity, \[v=rw=r\frac{2\pi }{t}\] \[=\frac{1}{4}\times \frac{2\pi }{2}=\frac{\pi }{4}\,m{{s}^{-1}}\] Power, \[P=F\times v=(15.9.8)\times \frac{\pi }{4}\] \[=115.6\,\text{W}\]You need to login to perform this action.
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