At absolute zero temperature, why the kinetic (2) energy is zero?

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

Why is the use of carbon-14 limited

Which system of units is used by only a small number of countries in the world, including the u.s.