What force f in n is required to keep the block moving at constant velocity to the right? the mass of the block is 4 kg, coefficient of kinetic friction is 0.8 and the angle is 30°.

How would a small bar magnet be oriented when placed at position x?

Wave functions describe orbitals in a hydrogen atom. each function is characterized by 3 quantum numbers: n, l, and ml. if the value of n = 2: the quantum number l can have values from to . the total number of orbitals possible at the n = 2 energy level is .

What is the speed vfinal of the electron when it is 10.0 cm from charge 1?