T and b quarks are named
a. truth and beauty.
b. up and down.
c. top and bottom.
d. Itchy and Scratchy.
e. none of the above.
a, c
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Special relativity states the relationship between energy and mass as
a. True b. False Indicate whether the statement is true or false
Rotational Kinetic Energy: A solid uniform cylinder is rolling without slipping. What fraction of its kinetic energy is rotational?
A. 1/3 B. 2/3 C. 1/2 D. 1/4 E. 3/4
Two in-phase loudspeakers that emit sound with the same frequency are placed along a wall and are separated by a distance of 8.00 m. A person is standing 12.0 m away from the wall, equidistant from the loudspeakers
When the person moves 3.00 m parallel to the wall, she experiences destructive interference for the second time. What is the frequency of the sound? The speed of sound in the room is 343 m/s. CAREFUL! The distance to the wall is NOT much greater than the distance between the speakers. A) 278 Hz B) 422 Hz C) 452 Hz D) 562 Hz E) 694 Hz
The air in this room has
A) mass. B) weight. C) energy. D) all of the above E) none of the above