Heat is an exchange of internal energy from one system to another due to

As the distance from a magnet increases, what happens to the magnet force?

Two trains leave a station at the same time, train a travels at a constant speed of 16 m/s. train b starts at 8.0 m/s but accelerates constantly at 1.0 m/s squared. after 10.0 seconds, which train has the greater speed?

Which is the most accurate name for the covalent compound p2o3?