Question

The escape velocity of a body on the surface of
the earth is 11.2 km/s. If the earth’s mass increases
to twice its present value and the radius of the
earth becomes half, the escape velocity would
become
(a) 44.8 km/s
(b) 22.4 km/s
(c) 11.2 km/s (remains unchanged)
(d) 5.6 km/s

Answer 1

Answer:

The escape velocity of a body on the surface of

the earth is 11.2 km/s. If the earth’s mass increases

to twice its present value and the radius of the

earth becomes half, the escape velocity would

become

(a) 44.8 km/s

(b) 22.4 km/s

(c) 11.2 km/s (remains unchanged)

(d) 5.6 km/s ✔️✔️