Al has 18 x 102s electrons/m'. (a) find its fermi energy in electron volts. b) find the s 18 x 102 electrons/m3. (a) find its fe next available energy level in a 1 cm3 crystal of al. () do the same for a 10 nm cube quantum dot.

Who was the first scientist to measure speed as distance over time?

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is