Calculate the escape velocity on the surface of the planet of 5.3 x 1020 grams, with radius 1.3 x 105 m.
23.3 m/s
2.33 x 103 m/s
2.33 x 104 m/s
2.33 m/s
Calculate the escape velocity on the surface of the moon, if the mass and radius of the moon are 7.34×1022kg and 1.74×106m respectively.
The escape velocity from the earth is about 11kms−1. The escape velocity from a planet having twice the radius and the same mean density as the earth, is