A tunnel is made across the earth of radius R,passing through its center.A ball is dropped from a height h in the tunnel. Show that the motion will be periodic with time period 2π√R/√g + 4√2h/√g.
A tunnel is made across the earth of radius R,passing through its center.A ball is dropped from a height h in the tunnel. Show that the motion will be periodic with time period 2π√R/√g + 4√2h/√g.











