Questions
A body weighs 700 gm wt on the surface of the earth. How much will it weigh on the surface of a planet whose mass is and radius is half that of the earth
detailed solution
Correct option is B
W=mg=700gwt ----(1)We know thatg=GMR2On the planetgp=GMpRp2=GM/7R22=GM4R27=47g∵g=GMR2Hence weight on the planet=mgp==m4g7=700×47=400 g wt from (1)Talk to our academic expert!
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A body weighs 700 gm wt on the surface of the earth. How much will it weigh on the surface of a planet whose mass is and radius is half that of the earth
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