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Spring Block's Time Period

Imagine a nar...

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Imagine a narrow tunnel between the two diametrically opposite points of the earth. A particle of mass m is released in this tunnel. The time period of oscillation i

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Q. If a straight tunnel is bored connecting two points on the surface of the earth, then the time taken by a particle released from any point of the tunnel, to come to instantaneously rest again in the tunnel is

Q. A particle of mass

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