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If a body is rolling on the surface, its total energy will be
Options
(a)(1/2) mv² – (Gm₁m₂/R)
(b) (1/2) mv² + (1/2) Iω²
(c) (1/2) mv² – (1/2) mR²ω²
(d) None
Correct Answer:
(1/2) mv² + (1/2) Iω²
Explanation:
Total energy = P.E. + K.E. of (linear motion + Rotation)
= 0 + (1/2) mv² + (1/2) Iω²
Total energy = (1/2) mv² + (1/2) Iω².
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Topics: Work Energy and Power
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An electron revolves in a circle at the rate of 10¹⁹ rounds per second.
- A long solenoid has 500 turns. When a current of 2 ampere is passed through it
- The moon’s radius is 1/ 4 that of the earth and its mass is 1 / 80 times that of the earth
- The nuclei of which one of the following pairs of nuclei are isotones?
- The electric current in AC circuit is given by the relation i-3 sinωt+4 cos ωt.
Topics: Work Energy and Power (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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