For an object of 1kg mass to escape the gravitational force of the earth, the kinetic energy imparted to it from the surface of the earth is approximately _____
A. 5600 J
B. 10200 J
C. 11200 J
D. 12000 J
Answer:A
For an object of 1kg mass to escape the gravitational force of the earth, the kinetic energy imparted to it from the surface of the earth is approximately _____
A. 5600 J B. 10200 J C. 11200 J D. 12000 J