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Flame SCF 18 Near Chawla Lights Ph-7 Mohali 9888949978

The escape velocity from the earth is about 11 km/second. The escape velocity from a planet having twice the radius and the same mean density as the earth, is

(a) 22 km/sec (b) 11 km/s

(c) 5.5 km/sec (d) 15.5 km/sec

Answer: a

4.8/5 - (5 votes)

PrevPrevious134. A solid cylinder 30 cm in diameter at the top of an inclined plane 2.0 m high is released and rolls down the incline without loss of energy due to friction. Its linear speed at the bottom is

NextThe escape velocity for a rocket from earth is 11.2 km/sec. Its value on a planet where acceleration due to gravity is double that on the earth and diameter of the planet is twice that of earth will be in km/secNext

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