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Escape Velocity

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If the earth has mass 9 times and radius twice that of the planet Mars, calculate the minimum velocity required by a rocket to pull out of the gravitational force of Mars. Escape velocity on the surface of the earth in 11.2 km//s

The escape velocity of a body projected vertically upward from the earth's surface is 11.2 " kms"^(-1) . If the body is projected in a direction making 30^(@) angle to the vertical, its escape velocity in this case will be

The escape velocity for a body projected vertically upwards from the surface of the earth is 11.2 km s^(-1) . If the body is projected in a direction making an angle 45^@ with the vertical, the escape velocity will be

if velocity given to an object from the surface of the earth is n times the escapes velocity then what will be the residual velocity at inifinity.

A planet in a distant solar systyem is 10 times more massive than the earth and its radius is 10 times smaller. Given that the escape velocity from the earth is 11kms^(-1) , the escape velocity from the surface of the planet would be

A planet in a distant solar systyem is 10 times more massive than the earth and its radius is 10 times smaller. Given that the escape velocity from the earth is 11kms^(-1) , the escape velocity from the surface of the planet would be

Assertion : If a particle is projected from the surface of earth with velocity equal to escape velocity, then total mechanical energy is zero Reason : Total mechanical energy of any closed system is always negative.

The ratio of radii of two satellites is p and the ratio of their acceleration due to gravity is q. the ratio if their escape velocities will be :

The acceleration due to gravity on the surface of the moon is (1)/(6)th of that on the surface of earth and the diameter of the moon is one-fourth that of earth. The ratio of escape velocities on earth and moon will be

The acceleration due to gravity on the surface of the moon is (1)/(6)th of that on the surface of earth and the diameter of the moon is one-fourth that of earth. The ratio of escape velocities on earth and moon will be