A small satellite moves round a planet of density `10 gm//cm^3`. The radius of its orbit is slightly greater than the radiusof the planet. Find out the time period of the satellite `(G = 6.67 xx 10^-8 CGS unit)`.

A small satellite revolves around a planet of average density 10 g*cm^(-3) . The radius of the orbit of the satellite is slightly more than the radius of the planet. Find the time period of rotation of the satellite. G=6.68xx10^(-8) CGS unit.

An artificial satellite revolves around the earth in a circular orbit and is at a height of 300 km above the surface of the earth. Find the orbital speed and the time period of the satellite. The radius of the earth=6400 km, g=980 cm*s^(-2) .

If the earth considered as a solid sphere of iron of radius 6.37xx10^6 m and of density 7.86 g*cm^(-3) , what will be the magnitude of the acceleration due to gravity on the earth's surface ? Gravitational constant =6.58xx10^(-8) CGS unit.

Find the mass of the sun considering the orbit of the earth to be circular. Given , distance of the earth from the sun =1.49xx10^(13) cm and G=6.66xx10^(-8) CGS unit.

The mean orbital radius of the earth around the sun is 1.5xx10^8 km . Calculate the mass of the sun if G=6.67xx10^(-11)N*m^2*kg^(-2) .

Amplitude of a particle of mass 0.1 kg executing SHM is 0.1 m. At the mean position its kinetic energy is 8xx10^(-3)J . Find the time period of its vibration.

If the mass of the earth is 6xx10^(27) g and its radius 6400 km, what will be the acceleration due to gravity at a height 64 km above the earth's surface ? Given that G=6.67xx10^(-8) CGS unit.

Two satellite S_1 and S_2 are orbiting around the earth in circular orbits in the same direction. Time period for the two satellite are 1h and 8h respectively. The radius of the orbit of satellite S_1 "is" 10^4km . If satellite S_1 and S_2 are on the same side of the earth, find the linear and angular speed of S_2 with respect to S_1 .