The height of the table is 75 cm, the height of the chair is 45 cm. What is the potential energy of a 200 gram mass book against the floor when a book is placed on a table?

the five characteristics of adolescence are biological growth and development, and undefined status, increased decision making, increased pressure and the search of self.

the minimum amperage that the current in this wire would have to have so that its weight is completely supported by the magnetic force due to earth's field, assuming that no other forces except gravity act on it

the duration of a photographic flash is related to an rc time constant, which is 0.100 μs for a certain camera.