1. | the total energy of the particle will be zero at a large distance. |
2. | the gravitational potential energy of the particle at the centre will be \(3/2\) times that of at the surface of the planet. |
3. | the gravitational potential energy of the particle at the centre of the plant will be zero. |
4. | both (1) and (2). |
1. | 2. | ||
3. | 4. |