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Two discs  and  are mounted coaxially on a vertical axle. The discs have moments of inertia  and  respectively about the common axis. Disc  is imparted an initial angular velocity  using the entire potential energy of a spring compressed by a distance . Disc  is imparted an angular velocity  by a spring having the same spring constant and compressed by a distance . Both the discs rotate in the clockwise direction

The loss of kinetic energy during the above process is

a)

b)

c)

d)



Question ID - 101407 | SaraNextGen Top Answer

Two discs  and  are mounted coaxially on a vertical axle. The discs have moments of inertia  and  respectively about the common axis. Disc  is imparted an initial angular velocity  using the entire potential energy of a spring compressed by a distance . Disc  is imparted an angular velocity  by a spring having the same spring constant and compressed by a distance . Both the discs rotate in the clockwise direction

The loss of kinetic energy during the above process is

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (b) -

(b)

Loss of kinetic energy

127 votes


127