Categories > Motion in A Plane > A boy on a cycle pedals around a circle of 20 metres radius at a speed of \[20\,metres/\sec .\] The combined mass of the boy and the cycle is 90 kg. The angle that the cycle makes with the vertical so that it may not fall is \[(g = 9.8\,m/{\sec ^2})\]

Motion in A Plane

Question: A boy on a cycle pedals around a circle of 20 metres radius at a speed of \[20\,metres/\sec .\] The combined mass of the boy and the cycle is 90 kg. The angle that the cycle makes with the vertical so that it may not fall is \[(g = 9.8\,m/{\sec ^2})\]


1) \[{60.25^o}\]
2) \[{63.90^o}\]
3) \[{26.12^o}\]
4) \[{30.00^o}\]
Solution: Explanation: Explanation

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