Find the velocity of escape from the sun, if its mass is `1.89xx10^(30)` kg and its distance from the earth is `1.59xx10^(8)` km. Take G`=6.67xx10^(-11) Nm^(2) kg^(-2)`

Calculate the mass of sum if the mean radius of the earth's orbit is 1.5xx10^(8)km and G=6.67xx10^(-11)Nxxm^(2)//kg^(2)

Calculate the gravitational field strength and the gravitational potential at the surface of the moon. The mass of the moon is 7.34xx10^(22)kg and its radius is 1.74xx10^(6)m . (G=6.67xx10^(-11) Nm^(2)kg^-2).

A satellite revolves around the earth at a height of 1000 km. The radius of the earth is 6.38 xx 10^(3) km. Mass of the earth is 6xx10^(24)kg and G=6.67xx10^(-14)"N-m"^(2)kg^(-2) . Determine its orbital velocity and period of revolution.

Estimate the mass of the sun, assuning the orbit of Earth round the sun to be a circule. The disatnce between the sun and the Earth is 1.49 xx 10^(11) m , and G = 6.67 xx 10^(-11) Nm^(2) kg^(-2) .

Estimate the mass of the sun, assuming the orbit of the earth round the sun to be a circle. The distance between the sun and earth is 1.49 xx 10^(11) m and G = 6.66 × 10^(-11) Nm^(2)//kg^(2) .

Determine the gravitational potential on the surface of earth, given that radius of the earth is 6.4 xx 10^(6) m : its mean density is 5.5 xx 10^(3)kg m^(-3) , G = 6.67 xx 10^(-11) Nm^(2) kg^(-2) .

A rocket is fired vertically with a speed of 5 kms^(-1) from the earth's surface. How far from the earth does the rocket go before returning to the earth ? Mass of earth= 6.0xx10^(24) kg, mean radius of the earth = 6.4xx10^(6) m, G= 6.67xx10^(-11)Nm^(2)Kg^(-2).

Calculate the force between the sun and jupiter. Assume that the mass of the sun =2xx10^30 kg, the mass of the jupiter = 1.89xx10^27 kg and the radius of the jupiter 's orbit = 7.73xx10^11m . (Use G=6.67xx10^(-11) Nm^2 //kg^2 )

Taking moon's period of revolution about earth as 20 days and neglecting the effect of the sun and the effect other planet on its motion, calculate its distance from the earth. Given G=6.67xx10^(-11)Nm^(-2)kg^(-2) and mass of the earth =6xx10^(24)kg .

Determine the escape velocity of a body from the moon. Take the moon to be a uniform sphere of radius 1.76 xx 10^(6) m , and mass 7.36 xx 10^(22) kg . Given G=6.67 xx 10^(-11) Nm^(2) kg^(-2)