A 4.70-g particle confined to a box of length L has a speed of 4.40 mm/s. (a) What is the classical kinetic energy of the particle? (b) If the energy of the first excited state (n=2) is equal to the kinetic energy found in part (a), what is the value of L? m (c) Is the result found in part (b) realistic? Yes No Explain.

A 4.70-g particle confined to a box of length L has a speed of 4.40 mm/s. (a) What is the classical kinetic energy of the particle? (b) If the energy of the first excited state (n=2) is equal to the kinetic energy found in part (a), what is the value of L? m (c) Is the result found in part (b) realistic? Yes No Explain.