A man weighs `80 kg` on the surface of earth of radius `r`. At what height above the surface of earth his weight will be `40 kg`?

A man weighs 100kg on the surface of the earth of radius R. At what height above the surface of the earth, he will weigh 50 kg?

If a man weighs 90 kg on the surface of the earth, the height above the surface of the earth of radius, R where the weight is 30 kg is

A body weighs 10 kg on the surface of earth. What would be its mass and weight at the centre of earth ?

A body weights 63 N on the surface of the earth At a height h above the surface of Earth, its weight is 28 N While at a depth h below the surface Earth, the weight is 31.5 N. The value of h is

The weight of a body on the surface of the earth is 10 kg. Its weight at the centre of the earth is

A body weighs 1 kg on the surface of earth. What is its mass on moon ?

If the weight of a man on the surface of the earth is 75kg, then his weight on the surface of the moon will be

The weight of an object is 90 kg at the surface of the earth. If it is taken to a height equal to half of the radius of the earth, then its weight will become

The weight of a body on the surface of the earth is 12.6 N. When it is raised to height half the radius of earth its weight will be