If a particle in a rigid box has a ground state energy of 1 eV, how much higher in energy is the next state?
A)
2 eV
B)
4 eV
C)
3 eV
D)
5 eV
E)
1 eV
C
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A uniform rod (mass = 2.0 kg, length = 0.60 m) is free to rotate about a frictionless pivot at one end. The rod is released from rest in the horizontal position. What is the magnitude of the angular acceleration of the rod at the instant it is 60° below the horizontal?
a. 15 rad/s2 b. 12 rad/s2 c. 18 rad/s2 d. 29 rad/s2 e. 23 rad/s2
Tritium (3H) decays to 3He releasing 18.6 keV of energy. How much mass is converted into energy during this process?
A. 
B. 
C. 
D. 
E. 
Which of the following is most easily understood to be quantized?
A) the number of eggs in an egg carton B) the amount of water in a glass C) the volume of air in a balloon D) the amount of time in an hour E) none of the above
An electric toaster operating on 120 volts draws a current of 9 amperes. What is the resistance of the toaster?