Michelson and Morley demonstrated that the speed of light is ________ of the motion of the observer
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independent
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A diamond is said to have "fire" because of ______________
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Simple Harmonic Motion: An object oscillates such that its position x as a function of time t obeys the equation x = (0.222 m) sin(314 s-1 t), where t is in seconds.(a) In one period, what total distance does the object move?(b) What is the frequency of the motion?(c) What is the position of the object when t = 1.00 s?
What will be an ideal response?
In a system of N gas molecules, the individual speeds are v1, v2, ..., vN . The rms speed of these molecules is:
A. 1 N ?v1 + v2 + ... + vN B. 1 N v2 1 + v2 2 + ... + v2 N C. (v2 1 + v2 2 + ... + v2 N )/N D. [(v1 + v2 + ... + vN )/N] 2 E. 0(v1 + v2 + ... + vN )2/N
The position of a particle moving along the x axis is given by x = (21 + 22t? 6.0t2) m, where t is in s. What is the average velocity during the time interval t = 1.0 s to t = 3.0 s?
A. ?6.0 m/s B. ?4.0 m/s C. ?2.0 m/s D. ?8.0 m/s E. 8.0 m/s