Consider the motion of a ball in a tunnel through the earth (radius of the earth is R and mass of the earth is M), the tunnel is along a chord and the ball is released from the surface. The time period of the ball is sqrt(x) (approx), find x.

Consider the motion of a ball in a tunnel through the earth (radius of

1.	Consider the motion of a ball in a tunnel through the earth (radius of the earth is R and mass of the earth is M), the tunnel is along a chord and the ball is released from the surface. The time period of the ball is sqrt(x) (approx), find x.
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