Question

There is a deep bore well of depth R/5 inside earth along radial direction, R being the radius of earth. A small particle is released inside the bore well from the surface of earth so that it falls freely without touching the walls of the well. As it falls into the well, its acceleration (before reaching the bottom of well)
A.
remains constant


B increases continuously


C decreasing continuously


D increases then decreases

Answer 1

Answer:

C decrease continuously

Explanation:

g'=g(1-d/R)

where d is depth and R radius of earth