In Fizeau's experiment to measure the speed of light, the wheel has 475 notches and rotates with a speed of 55.0 rev/sec. Light passing through one notch travels to the mirror and back just in time to pass through the next notch
If the distance between the wheel and the mirror is 8800 m, how much time does it take the wheel to rotate from one notch to the next? A) 11.9 s
B) 24.8 s
C) 3.83 × 10-5 s
D) 7.44 × 10-5 s
E) 8.44 × 10-5 s
C
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The speed of sound in air at 0
is 331 m/s. What is the velocity of sound in air at a temperature of 30
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A. 336 m/s B. 338 m/s C. 340 m/s D. 342 m/s E. 349 m/s
Suppose a 70-kg student were to be compressed to form a black hole. What would be the Schwarzschild radius of this black hole? (G = 6.67 × 10-11 N ? m2/kg2, c = 3.0 × 108 m/s)
What will be an ideal response?
The three major types of seawater movement are waves, ______________, and tides
Fill in the blank(s) with correct word
How many different spin orientations can an electron have in a given orbital?
A. 2 B. 1 C. Any number D. 4