What is the wavelength of electromagnetic radiation having a frequency of 5.00 x 10 to the power of 12? ?

Identify the arrows that show the correct direction of heat transfer. 66°f 112°f 98°f

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

How many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57×10−21 newtons?