If a sphere is rolling on an inclined plane with a velocity 'v' without slipping, the vertical height of the incline in terms of velocity will be
7v10g
3v5g
7v210g
2v25g
A
7v10g
B
7v210g
C
3v5g
D
2v25g
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Solution
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The velocity of solid sphere on the bottom of inclined plane v=
⎷2gh1+IMR2 The moment of inertia of solid sphere about its diameter I=25MR2 v=
⎷2gh(1+25)=√107gh h=7v210g
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