Question

an object is taken to height 2 R above the surface of earth.the increase in potential energy is​

Answer 1

Answer:

U=-3GMm/2R

Explanation:

On earth,

U=-GMm/R

At a height 2R,

U'=-GMm/2R

The increase in Potential energy,

U+U'=-GMm/R+(-GMm/2R)

= -GMm/R(2-1/2)

= -GMm/R(3/2)