Two point masses of mass M1 and M2 are dropped from the surface of the earth from point B with A as the centre.[BC and BD are tunnels dug through the earth] Point C is diametrically opposite to B. D is a point on the surface such that angle between BC and BD is Ɵ. M1 is dropped through tunnel BC. It reaches C in time T1 M2 is dropped through tunnel BD. It reaches D in time T2 What is T1/T2??? Assume only gravitational force is present
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