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Flame SCF 18 Near Chawla Lights Ph-7 Mohali 9888949978

The mass of the earth is 81 times that of the moon and the radius of the earth is 3.5 times that of the moon. The ratio of the escape velocity on the surface of earth to that on the surface of moon will be

(a) 0.2 (b) 2.57

(c) 4.81 (d) 0.39

Answer: c

5/5 - (2 votes)

PrevPrevious142. A solid ball of mass m and radius r rolls without slipping along the track shown in the fig. The radius of the circular part of the track is R. The ball starts rolling down the track from rest from a height of 8R from the ground level. When the ball reaches the point P then its velocity will be

NextThe escape velocity from the surface of earth is Ve . The escape velocity from the surface of a planet whose mass and radius are 3 times those of the earth will beNext

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