A solid sphere of mass 
, radius 
rolls down an inclined plane of height 
. The velocity of its centre as it reaches the ground level is
a)
b)
c)
d)
A solid sphere of mass , radius rolls down an inclined plane of height . The velocity of its centre as it reaches the ground level is
a)
b)
c)
d)
Question ID - 53237 | SaraNextGen Top Answer
A solid sphere of mass , radius rolls down an inclined plane of height . The velocity of its centre as it reaches the ground level is
a)
b)
c)
d)
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A solid sphere of mass |
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b) |
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c) |
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d) |
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1 Answer
127 votes
Answer Key / Explanation : (b) -
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(b) The kinetic energy of a rolling body is
According to law of conservation of energy, we get
Where
For a solid sphere Substituting the given values, we get
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is the height of the inclined plane
127 votes
Answer Link
127