A baseball is thrown horizontally to the ground at a speed of 50.0 m/s from a height of 2 meters. If the ball was caught a horizontal distance of 22 meters from the thrower. a) How long was it in the air?

b) How far above the ground was the ball caught

An electron is trapped at a defect in a crystal. the defect may be modeled as a one-dimensional, rigid-walled box of width 1.00 nm. (a) sketch the wavefunctions and probability densities for the n 1 and n 2 states. (b) for the n 1 state, nd the probability of nding the electron between x1 0.15 nm and x2 0.35 nm, where x 0 is the left side of the box. (c) repeat (b) for the n 2 state. (d) calculate the energies in electron volts of the n 1 and n 2 states