Question

Q. 20. Escape speed of a chalk 2 points
of mass 2 g on the surface of
the earth is 11.2 km/s. The
escape speed of a ball of mass
50 g on the surface of the
earth is *
O (A) 11.2 km/s
O (B) 22.4 km/s
O (C) 280 km/s
O (D) 0.5 km/s​

Answer 1

Answer:

escape speed only depend upon the mass of the planet from where the mass is escape.

it does not depend upon the mass of the escape object .

the escape speed of any mass i.e space shuttle is same as the escape speed of 2g mass from the surface of earth .

so answer is 11.2km/s