Physics · Rotational Motion
Two discs of same moment of inertia rotating about their regular axis passing through the centre and perpendicular to the plane of the disc with angular velocities ω1 and ω2 are brought into contact face to face coinciding the axis of rotation. The expression for loss of energy during this process is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1I(ω1 − ω2)2
- 214I(ω1 − ω2)2✓
- 312I(ω1 + ω2)2
- 4I8(ω1 − ω2)2
Correct answer
14I(ω1 − ω2)2
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