Question

A body of mass m rises to height h = R/5 from the
earth's surface, where Ris earth's radius. If g is
acceleration due to gravity at earth's surface, the
increase in potential energy is
O
Mgh
O
5-mgh
O
-mgh
con
O O
zmgh​

Answer 1

Answer:

W = mgh / (1 + h/R)

Here , R is 5 times of h.

If h << R

then, h/ R = 0

w = mgh / 1+ 0

w = mgh..