Consider the two cases:
a. A says that the potential energy of a book placed on a shelf is `10J`.
b. B says that the potential energy of the same book is `-10J`.
Which one of them is wrong? Justify.

One person says that the potentil energy of a particular book kept in an almirah is 20 J and the other says it is 30J. Is one of them necessarily wrong?

One person says that the potentil energy of a particular book kept in an almirah is 20 J and the other says it is 30J. Is one of them necessarily wrong?

One person says that the potentil energy of a particular book kept in an almirah is 20 J and the other says it is 30J. Is one of them necessarily wrong?

A book is lifted from the floor and is kept in an almirah. One personn says that the potential energy of the book in increased by 20 J and the other says it is increased by 30 J. Is one of them necessarily wrong?

A book is lifted from the floor and is kept in an almirah. One personn says that the potential energy of the book in increased by 20 J and the other says it is increased by 30 J. Is one of them necessarily wrong?

If potential energy of a satellite is -8xx10^9J , then its binding energy is …... .

One person says that potential energy of a particular book kept in an almirah is 20 J and other says it is 30 J. Is one of them necessarily wrong ? Give reasons.

If the kinetic energy of a satellite is 2xx10^(4)J , then its potential energy will be

Binding energy of satellite is 4xx10^(8)J . Its potential energy is

The binding energy of an artifical satellite moving in a circular orbit is 4xx10^(9)J . What is the potential energy of the satellite?