In the above model of an atom, where would the proton be located?
a. A
b. 1
c. 2
d. 3
A
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What device converts mechanical energy into electrical energy?
A) solenoid B) motor C) generator D) spectrometer E) transformer
According to the quantum mechanical model of the hydrogen atom, if the orbital angular momentum quantum number is ?, there will be how many permitted magnetic quantum numbers?
A) ?/2 B) 3? C) 2? D) 2? - 1 E) 2? + 1
Impedance: For a series ac circuit consisting of a resistance of 13.0 k?, a capacitance of 7.0 ?F, and an inductance of 35.0 H, what frequency is needed to minimize the impedance if the voltage amplitude is 110 V?
A. 0.010 kHz B. 0.064 kHz C. 12 kHz D. 2.1 kHz
The figure above shows two yo-yos that have the same mass and rotational inertia. The one on the right has a thicker axle than the one on the left. The torque produced by gravity is
A. zero; there is no net torque on the yo-yos. B. larger for the yo-yo on the right. C. larger for the yo-yo on the left. D. the same for both yo-yos.