A spherical ball of mass is stationary at the top of a hill of height . It slides down a smooth surface to the ground, then climbs up another hill of height and finally slides down to a horizontal base at a height of above the ground. The velocity attained by the ball is |
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a) |
b) |
c) |
d) |

A spherical ball of mass is stationary at the top of a hill of height . It slides down a smooth surface to the ground, then climbs up another hill of height and finally slides down to a horizontal base at a height of above the ground. The velocity attained by the ball is |
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a) |
b) |
c) |
d) |

1 Answer

127 votes

**(c)**

Ball starts from the top of a hill which is high and finally rolls down to a horizontal base which is above the ground so from the conservation of energy

127 votes

127