Which watch is used by scientists for correct measurement of time? Simple watch
Digital watch
Atomic watch
Quarta watch

Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley

Which changes would result in a decrease in the gravitational force btween two objects? check all that apply

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