You need to construct a 200 pF capacitor for a science project. You plan to cut two L×L metal squares and place spacers between them. The thinnest spacers you have are 0.400 thick. What is the proper value of L ?

What is the role of the ocular lens?

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?

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