When light is either reflected or refracted, the quantity that does not change in either process is its
a. direction of travel.
b. dispersion.
c. frequency.
d. speed.
e. wavelength.
c
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At what angle (relative to the horizontal) should a curve 52.0 m in radius be banked if no friction is required to prevent the car from slipping when traveling at 11.6 m/s? (g = 9.80 m/s2)
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