Gravitational potential energy, Escape speed

Variation in acceleration due to gravity| Gravitational potential energy and Escape velocity

A body is falling under gravity . When it loses a gravitational potential energy U , its speed is v . The mass of the body shell be

Gravitational Potential Energy| Escape velocity

Gravitational Potential Energy | Escape Velocity | Motion of Satellite | Energy of Satellite | Circular and Elliptical Orbits

Question based on Universal Law of Gravitation| Gravitational force problems| Acceleration due to gravity| variation in value of g with height| Depth & latitudes| Gravitational Potential Energy| Escape velocity| Motion of satellite| Energy of satellite| Circular and elliptical orbit.

When a metal wire elongates by hanging a load on it, the gravitational potential energy is decreased.

What is the maximum value of gravitational potential energy and where?

A body (intially at rest is falling under gravity. When it loses a gravitational potential energy by U , its speed is v .The mass of the body shall be :