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[" Two asteroids (heavenly bodies) of equal masses "],[" revolve diametrically opposite to each other in a cir- "],[" cle of radius "100km" .If mass of each asteroid is "10^(10)],[kg" ,then what would their velocities be."],[qquad " (Take "G=6.67times10^(-11)Nm^(2)kg^(-2))]

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Two asteroids (heavenly bodies) of equal masses revolve diametricallly opposite to each other in a circle of radius 100 km. If mass of each astreroid is 10^(10) kg, then what would their velocites be (Take G = 6.67 xx 10^(-11) N m^(2) kg^(-2) ).

If two spheres of mass 100 tonne each, revolve diametrically opposite to each other in a circle of radius 1 m, what should be their velocities? (Take g = 6.67 xx 10^(-11) N m^(2) kg^(-2) )

If two spheres of equal masses with centres 0.2 m part attract each other with a force of 1xx10^(-6) kg wt . What would be the value of their masses? g=9.8ms^(-2)" and "G=6.67xx10^(-11)Nm^(2)kg^(-2)

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)

An artificial satellite is revolving in a circular orbit at a height of 1200 km above the surface of the earth. If the radius of the earth is 6400 km, mass is 6 xx 10^(24) kg find the orbital velocity (G = 6.67 xx 10^(-11)Nm^(2)//kg^(2))

A satellite of mass 2000 kg is revolving around the earth in a circular orbit of radius 4xx10^(4) km. The gravitational force exerted by the satellite on the earth is ________. [Mass of the earth = 6xx10^(24)kg, G=6.67xx10^(-11)Nm^(2)//kg^(2) ]