InterviewSolution
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InterviewSolution
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A small object of uniform density rolls up a curved surface with an initial velocity v. it reaches up to a maximum height of `(3v^2)/(4g) with respect to the initial position. The object isA. RingB. Solid sphereC. Hollow sphereD. Disc |
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Answer» Correct Answer - D Using mechanical energy conservation `(1)/(2)mv^(2)(1+(k^(2))/(R^(2)))=mg((3v^(2))/(4g))` `1+(k^(2))/(R^(2))=(3)/(2)` `(k^(2))/(R^(2))=(1)/(2)` So, body is disc or solid cylinder. |
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