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Flame SCF 18 Near Chawla Lights Ph-7 Mohali 9888949978

Escape velocity on earth is 11.2 km/s. What would be the escape velocity on a planet whose mass is 1000 times and radius is 10 times that of earth

(a) 112 km/s (b) 11.2 km/s

(c) 1.12 km/s (d) 3.7 km/s

Answer: a

5/5 - (1 vote)

PrevPrevious57. A wire of length L and radius r is rigidly fixed at one end. On stretching the other end of the wire with a force F, the increase in its length is l. If another wire of same material but of length 2L and radius 2r is stretched with a force of 2F, the increase in its length will be

NextIf the radius of a planet is R and its density is p , the escape velocity from its surface will beNext

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