Discussions
Select Date
Tags:
RICHA PANDEY

· started a discussion

· 1 Months ago

isme formula hi nhi smjh aa rha h.can u pls express sir

Question:

If the gravitational acceleration at surface of earth is g, then increase in potential energy in lifting an object of mass m to a height equal to the radius R of earth will be:-

Options:
A)

mg R2    

B)

 

2mg R

C)

 

mg R

D)

 

mg R4    

Solution:

Ans: (a) 

  

All Rights Reserved Top Rankers