Question

The depth from the surface of earth at which acceleration due to gravity will
75% of the value on surface of earth
3R
R
1)
R.
4
2) 4
3)
4)
2
8
LEVEL-4​

Answer 1

Answer:

X = R/4

Explanation:

For depth

g' = g (1-x/r)

So, g' = 0.75g

So, 0.75g = g(1- x/r)

0.75= (1- x/r)

x/r = 0.25

x= 0.25r

x= r/4