Questions
How much deep inside the earth (radius R) should a man go, so that his weight becomes one-fourth of that on earth's surface?
a
R4
b
R2
c
3R4
d
none of these
detailed solution
Correct option is C
mgd=mg1−dR⇒mg4=mg1−dR⇒d=34RTalk to our academic expert!
Similar Questions
The weight of an object in the coal mine, sea level and at the top of the mountain are respectively W1, W2 and W3, then
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