Question

A body weighs 120N on earth. Find the height when the body will weigh 30N?​

Answer 1

Answer:

at 6400 km from earth surface.

Explanation:

Answer 2

Answer:

At height h=R.

Explanation:

WKT

g'=g/$(\frac{h}{R} +1)$ =>mg' = mg(1+h/R)