Asix kilogram cat is resting on top of of book shelf that is one meter high. what is the cats potential energy relative to the floor?

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

Exercise 2. find the wavelength of a photon emitted when an electron jumps from the n = 3 energy level down to the n = 2 energy level. where is this photon in the electromagnetic spectrum?

Which of the following changes will increase the capacitance of a parallel-plate capacitor? (there could be more than one correct choice.) a) increase the charge on the plates b) decrease the poten5al between the plates c) increase the potential between the plates d) introduce a dielectric material between the plates e) decrease the separation between the plates