The weight of an object is 90 kg at the surface of the earth. If it is taken to a height equal to half of the radius of the earth, then its weight will become [MPPET 2013]
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
135 kg
b
45 kg
c
60 kg
d
40 kg
answer is D.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
Weight of the object at height h above the surface of the earth, w'=w1+hR2⇒w'(h=R/2)=w(1+1/2)2⇒ w'=w×49=90×49=40 kg