If the distance between the centres of Earth and Moon is D and mass of Earth is 81…
PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences
Problem
If the distance between the centres of Earth and Moon is D and mass of Earth is 81 times that of Moon. At what distance from the centre of Earth gravitational field will be zero ?
(A) 2D
(B) 32D
(C) 54D
(D) 109D