Find the order of magnitude of the following quantities: Period of rotation of the Earth about its own axis = 24 h = `24 xx 60 xx 60s = 86,400`s.

Find the order of magnitude of the following quantities: Mass of electron= 9.1 xx 10^31 kg

Find the order of magnitude of the following quantities: Acceleration due to gravity=9.80665 m//s^2

Find the order of magnitude of the following quantities: Speed of light in vaccum =299792458 m//s

Find the order of magnitude of the following quantities: Universal gravitional constant G=6.673 xx10^-11 N-m^2//kg^2

A satellite is placed in a circular orbit about Earth with radius equal to half the radius of the moon's orbit. Period of rotation of the satellite is n times that of the lunar month (lunar month is the period of revolution of the moon). The value of n is

Angular acceleration of a body of mass 50 kg under the action of a torque of magnitude 500 Nm is 25 rad//s^2 . Then radius of gyration of the body about its axis of rotation is nearly equal to

Angular acceleration of a body of mass 50 kg under the action of a torque of magnitude 500 Nm is 25 rad s^2 . Find the radius of gyration of the body about its axis of rotation.

Solve the following example: If the time period of a wave if 0.004s, find the frequency of the wave.

Solve the following examples / numerical problems: Find the magnitude of the gravitational force between the Sun and the earth.( Mass of the Sun =2xx10^30 kg, mass of the earth = 6xx10^24 kg and the distance between the centres of the Sun and the earth = 1.5xx 10^11 m, G =6.67 xx10^-11 N-m^2 /kg^2 ).