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Gravitation Part 2

Section: Physics

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Question : 83 of 110

Marks: +1, -0

Assume that the earth is a solid sphere of uniform density and a tunnel is dug along its diameter throughout the earth. It is found that when a particle is released in this tunnel, it executes a simple harmonic motion. The mass of the particle is

100\ \mathrm{g}

. The time period of the motion of the particle will be (approximately)

g=10\ \mathrm{ms}^{-2}

,radius of earth

=6400\ \mathrm{km}

[25-Jan-2023 Shift 1]

24 hours
1 hour 24 minutes
1 hour 40 minutes
12 hours

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