A body is rolling down an inclined plane. If KE of rotation is 40% of KE in a transitory state, then their body is a
Options
(a) ring (b) cylinder (c) hollow ball (d) solid ball
A moving neutron collides with a stationary α-particle.The fraction of the kinetic energy lost by the neutron is
Options
(a) 16/25 (b) 9/25 (c) 3/5 (d) 2/5
Correct Answer:
16/25
Explanation:
No explanation […]
Under the action of a force F=cx, the position of a body changes from 0 to x.The work done is
Options
(a) 1/2 Cx ² (b) Cx ² (c) Cx (d) 1/2 Cx
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