Beats: Two tuning forks have frequencies of 440 and 522 Hz. What is the beat frequency if both are sounding simultaneously?
A. 962 Hz
B. 481 Hz
C. 82 Hz
D. 55 Hz
E. 41 Hz
Answer: C
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According to the Aristotelian view of motion, which of these would NOT work?
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The principle of continuity states that for fluid flow to be continuous it must
A) speed up in narrow regions of flow. B) slow down in wide regions of flow. C) both of these D) neither of these
Convert 4.5 × 10-3 to decimal notation
A) 4.500 B) 0.4500 C) 0.0450 D) 0.0045 E) 0.00045