A) Increase by 1%
B) Increase by 0.5%
C) Decrease by 1%
D) Decrease by 0.5%
Correct Answer: B
Solution :
\[v\propto \frac{1}{\sqrt{r}}.\] % increase in speed = \[\frac{1}{2}\] (% decrease in radius) \[=\frac{1}{2}(1%)=0.5%\] i.e. speed will increase by 0.5%You need to login to perform this action.
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