The work done to raise a mass m from the surface of the Earth to a height h, which is equal to the radius of the Earth, is:
A. \(\frac{1}{2}\) mgR
B. \(\frac{3}{2}\) mgR
C. mgR
D. 2mgR
Answer:A
The work done to raise a mass m from the surface of the Earth to a height h, which is equal to the radius of the Earth, is:
A. \(\frac{1}{2}\) mgR B. \(\frac{3}{2}\) mgR C. mgR D. 2mgR