Newton's second law of motion in the form of an equation is:
a. acceleration = mass × force.
b. mass = acceleration × force.
c. energy = mass × the square of the speed of light.
d. force = mass × acceleration.
e. force = mass + acceleration.
d
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Which of the partition functions below yields an average energy Eavg that is NOT an integer multiple of 
in the high-temperature (small-?) limit? Assume that ? is a constant with units of energy, and ? = 1/kBT.
A. Z = (2?/??)2
B. Z = (??)?1/2
C. Z = (1 ? e??? )?1 (note that ex ? 1 + x when 
<< 1)
D. None of the above.
E. All of the above.
When there is electric current through an ionic liquid such as salty water, the moving charges are
A) only protons. B) only electrons. C) only negative ions. D) only positive ions. E) both positive and negative ions.
A transparent surface has transmissivity of 0.8. What would be its reflectivity?
What will be an ideal response?
Angular Momentum: A solid, uniform, horizontal disk with a diameter of 2.0 m and a mass of 4.0 kg freely rotates at 36 rpm about a vertical axis through its center. A small 0.50-kg stone is suddenly dropped onto the disk and sticks to the disk at a distance of 80 cm from the axis of rotation. The figure shows before and after views.(a) Before the stone fell, what was the moment of inertia of the disk about its central axis?(b) After the stone stuck, what was the moment of inertia of the system about the same axis?(c) What is the angular velocity of the disk (in rpm) after the stone fell onto the disk?
What will be an ideal response?