A violation of the second law of thermodynamics would occur if
A. a ball lying on the ground spontaneously moved to the top of a desk.
B. an object with low temperature transferred energy in the form of heat to an object with a higher temperature.
C. a motion picture was run backwards through the projector.
D. any of the above occurred.
E. (a) or (b) occurred, but not (c).
Answer: E
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One of the features of "pseudoscience" that distinguishes it from "science" is that pseudoscientific ideas are
A) wrong. B) unusual, or odd. C) Both of the above. D) held dogmatically. E) held tentatively, as a hypothesis.
A uniform rod of length L and mass M is pivoted about one end. Attached to the rod is a mass M at its midpoint and at the end opposite the pivot is another mass M. What is the moment of inertia of this configuration about the pivot?
a. 3ML2 b. 7ML2/12 c. 4ML2/3 d. 19ML2/12
An alcohol is distinguished by having one or more ______________ groups in the molecule
Fill in the blank(s) with correct word
A charged particle of enters a region of magnetic field at a speed of 
at an angle of 37 degrees relative to the magnetic field direction. If the magnetic field strength is 1.2 T and the charge of the particle is +e, and the radius of the helical path is 8.9 cm, what is the particle’s mass?
a. 
b. 
c. insufficient information given.
d. 