- 18. If a man weighs 60 kg on the surface of the Earth, the
height above the surface of the Earth where his weight is
30 kg is
(a) 0.412 (b) VER (C) RIVE (d) R/2
Answers
Answered by
1
Answer:
a because of the gravitational force
Answered by
0
Explanation:
g'=g/2
g/2=g/(1+h/R)²
(1+h/R)²= 2
1+h/R=√2
h/R=√2-1
h/R=1.41-1=0.41
h=0.41R
Ans:(A) 0.41 R
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