G= 6.67`XX10^(-11) N m^2(Kg)(-2) =………..(cm)^3s(-2`)g^(_1)`

1 kg m^2s^(-2) =…………g cm^2 s^(-2) .

A satellite orbits the earth at a height of 400 km above the surface. How much energy must be expended to rocket the satellite out of the earth’s gravitational influence? Mass of the satellite = 200 kg, mass of the earth = 6.0 xx10^24 kg, radius of the earth = 6.4 xx10^6 m, G = 6.67 x 10^-11 N m^2 kg ^-2 .

A photo electric surface has work function 2eV. What is the maximum kinetic energy of the emitted photoelectrons ejected by light by wavelength 3000overset(@)A Given h=6.6xx10^(-34)J-S,e=1.6xx10^(-19)C . m_e=9g0^(-31)kg,C = 3xx10^8m//sec

A spaceship is stationed on Wlars. How much energy must be expended on the spaceship to launch it out of the solar system? Mass of the space ship = 1000 kg, mass of the Sun = 2 xx 10^30 kg, mass of mars = 6.4 xx-10^23 kg, radius of mars = 3395 km, radius of the orbit of mars = 2.28 x 10^8 kg, G= 6.67 xx 10^-11 m^2kg-^2 .

Planet Mars has two moons- Phobos and Deimos. Phobos has a period of 7 hours 39 minutes and orbital radius of 9.4 xx 10^3 km. Calculate the mass of Mars. (G = 6.67 x 10^11 Nm^2 kg-^2)

The value of G in CGS system is 6.67 xx10^-8 dyne cm^2g^-2 . Calculate the value in SI units.

The value of G On the surface of earth is 6.67 xX 10-^11 Nm^2 kg ^2 . What is its value on the surface of the moon?

The relative density of lead is 11.3. Its density is……….. g cm^(-3) or……………..kg m^(-3) .