Question
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A spherical ball of mass is stationary at the top of a hill of height . It rolls down a smooth surface to the ground, then climbs up another hill of height and finally rolls down to a horizontal base at a height of above the ground. The velocity attained by the ball is (a) (b) (c) (d)
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Text solutionVerified
Exp. (a)
According to conservation of energy, potential energy at height is sum of kinetic energy and potential energy at .
or
or
According to conservation of energy, potential energy at height is sum of kinetic energy and potential energy at .
or
or
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Question Text | A spherical ball of mass is stationary at the top of a hill of height . It rolls down a smooth surface to the ground, then climbs up another hill of height and finally rolls down to a horizontal base at a height of above the ground. The velocity attained by the ball is
(a)
(b)
(c)
(d) |
Updated On | Jul 13, 2023 |
Topic | System of Particles and Rotational Motion |
Subject | Physics |
Class | Class 11 |
Answer Type | Text solution:1 Video solution: 6 |
Upvotes | 720 |
Avg. Video Duration | 8 min |