A) 1.5 m
B) 1.5 cm
C) 7.5 cm
D) 7.5 m
Correct Answer: A
Solution :
Distance covered in ?n? revolution = n 2p r= \[n\pi \,D\] \[\Rightarrow 2000\,\pi \,D=9500\][As n = 2000, distance = 9500 m] Þ\[D=\frac{9500}{2000\times \pi }=1.5\,m\]
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