In which of the following motions the time T will 7 have

Last updated: 6/14/2023

In which of the following motions the time T will 7 have approximate value of 84 6 minute Mi a Time period T of a satellite revolving very close to the surface of the earth b Time period T of rotation of the earth so that a body kept on equator feels weightlessness Time period T of oscillation of an infinitely large simple pendulum C d Time period T of oscillation of a body along a complete tunnel through a chord of the earth 2 a b c and d 4 b and c 1 a b and c 3 a and b