A body situated on the surface of the earth of mass M and radius R, at it's equator, become weightless, when the rotational kinetic energy of earth, reaches a critical value K.find the value of K?

Open in App

Solution

Suggest Corrections

Similar questions

The bodies situated on the surface of earth at its equator, becomes weightless, when the earth has KE about it axis

Q. A t what angular speed should the earth rotate so that a body situated on the equator becomes weightless ?
( Acceleration due to gravity = 9.8

m / s^{2}

, Radius of the earth = 6400 km)

Q. A body of mass

m k g

starts falling from a distance

2 R

above the earth's surface. What is its kinetic energy when it reaches a distance

^{'} R^{'}

above the surface of the earth of radius

R

and mass

M

Q. The escape velocity of a body on the surface of the earth is

11.2 km/s

. If the earth's mass increases to twice its present value and radius of the earth becomes half, the escape velocity from the new surface becomes

A body of mass m kg. starts falling from a point 2R above the earth’s surface. Its kinetic energy when it has fallen to a point ‘R’ above the eart’s surface [R – Radius of earth, M – Mass of earth, G – Gravitational constant]

Join BYJU'S Learning Program