GravitationHard

Question

One projectile after deviating from its path starts moving round the Earth in a circular path of radius equal to nine times the radius of Earth R. Its period will be : -

Options

A.
B.27 × 2π
C.π
D.0.8 × 3π

Solution

Net force towards the centre ⇒ mω2(9R) =
⇒ ω2 = ⇒ T = ⇒ 27 × 2π

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