Flame Institute SCF 18 Near Chawla Lights Phase 7 Mohali Chandigarh 9888949978

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Flame SCF 18 Near Chawla Lights Ph-7 Mohali 9888949978

If the radius and acceleration due to gravity both are doubled, escape velocity of earth will become

(a) 11.2 km/s (b) 22.4 km/s

(c) 5.6 km/s (d) 44.8 km/s

Answer: b

5/5 - (1 vote)

PrevPreviousIf the radius of a planet is four times that of earth and the value of g is same for both, the escape velocity on the planet will be

Next152. In the above problem the angular velocity of the cylinder, after the masses fall down through distance h, will beNext

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