A) \[2\pi \]
B) \[\sqrt{2\pi }\]
C) \[\sqrt{{{\pi }^{2}}+4}\]
D) \[\pi \]
Correct Answer: C
Solution :
When wheel rolls half a revolution, the point (P) of the wheel which is in contact with the ground initially, moves at the top of the wheel as shown.You need to login to perform this action.
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