How do i know if a body is losing or gaining heat​

What properties of a moving object are used in determining the object's energy of motion

The heliocentric and the geocentric models of the solar system included these central principles

On your wedding day your lover gives you a gold ring of mass 3.67 g. 48 years later its mass is 3.44 g. on the average how many atoms were abrated from the ring during each second of your marriage? the atomic mass of gold is 197 u. don't enter units