Area on a P-V diagram has units associated with:
a. energy.
c. temperature.
b. momentum.
d. change in temperature.
A
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The ground state of the Li++ ion is at (Li has atomic number 3)
A) -40.8 eV. B) -122 eV. C) Li++ does not have a ground state. D) -61 eV. E) -1.51 eV.
Simple Harmonic Motion: An object is undergoing simple harmonic motion of amplitude 2.3 m. If the maximum velocity of the object is 10 m/s, what is the object's angular frequency?
A. 4.3 rad/s B. 4.8 rad/s C. 3.5 rad/s D. 4.0 rad/s
The intensity of radiation reaching the Earth from the Sun is 1350 W/m2. The Earth's radius is 6.4 × 106 m. How big a force does this radiation exert on the Earth? (Assume it is all absorbed.)
A. 5.8 × 108 N B. 1.2 × 109 N C. 2.3 × 109 N D. 4.6 × 109 N E. 1.7 × 1017 N
Do neutrinos have mass, and how do we know?
A) No, because they are observed to move at lightspeed. B) No, because we have observed that their paths remain straight as they pass through a magnetic field. C) Yes, because we have observed them to transmute from one of the three neutrino types to another. D) Yes, for both of the reasons listed in answers c and d. E) Yes, because we have observed them to move slower than lightspeed.