What is meant by escape speed in the case of the Earth?

What is meant by speed?

What is meant by supersonic speed?

What is meant by supersonic speed?

What is the escape speed of the Sun ?

The moon has a mass of (1)/(81) that of the earth and radius of (1)/(4) that of the earth. The escape speed from the surface of the earth is 11.2 km // s. The escape speed from surface of the moon is-

The escape speed from the surface of the Earth is given by________

The escape speed of a body from the surface of the Earth is

What will be the escape speed from earth if the mass of earth is doubled keeping the same size ?

What will be the escape speed from earth if the mass of earth is doubled keeping the same size ?

What is the escape speed for an object in the same orbit as that of Earth around sun (Take orbital radius R) but far from the earth? (mass of the sun = M_(s) ) (b) If an object already has a speed equal to the earth's orbital what minimum additional speed must it be given to escape as in (a) ? .