A 15-kg mass, attached to a massless spring whose force constant is 2 500 N/m, has an amplitude of 4 cm. Assuming the energy is quantized, find the quantum number of the system, n, if En = nhf
a. 1.5 × 10^33
b. 3.0 × 10^33
c. 4.5 × 10^33
d. 5.4 × 10^33
e. 1.0 × 10^33
A
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