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The gravitational potential energy of a body at a distance r from the centre of the Earth is U its weight at a distance 2r from the centre of the Earth isa U/rb U/2rc U/4rd U/(2)½r

The gravitational potential energy of a body at a distance r from the centre of the Earth is U its weight at a distance 2r from the centre of the Earth isa U/rb U/2rc U/4rd U/(2)½r

Grade:12

2 Answers

Vss Chaitanya Chavali
41 Points
7 years ago
WKT U=(GMm/r)            -(i)
=>Uα(1/r)
 
The potential energy at a distance 2r=U/2
 
Since Weight(F)=|(dU/dr)|,or U/r          from (i)
Its weight is U/2r.
Tejasvi dalla
12 Points
7 years ago
But the and is U/4r........ So..... Plzzz check once again.... And plz answer as soon as possible....................................

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