Question

28. A man weight 60 units goes at the distance - times of the radius of an earth towards the center
(of earth). Determine his weight at that place from the following.
1) 60 units
2) 45 units
3) 30 units
4) 15 units​

Answer 1

Answer:

answer is

Explanation:

60 units

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Answer 2

Answer:

Let acceleration due to gravity at a height h above the surface of earth be g

′

So, mg

′

=m

(R+h)

2

gR

2

or, 30=60×

(6400+h)

2

(6400)

2

So, h=6400

2

−6400=2624km