Physics - Single MCQs (Page 45)

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Q441. When the speed of a moving body is doubled then?...Q442. If velocity is doubled then?...Q443. Gravitational P.E of a body has?...Q444. Work done by the force of friction is?...Q445. The highest value of escape velocity in solar system is planet?...Q446. The source of geothermal energy is?...Q447. The tides raise the mater in the see roughly in a day?...Q448. The escape velocity of a body in gravitational field of earth is independent of?...Q449. Work done on the body equals to the?...Q450. Work done by variable force is determine by dividing?...