You see colors with a prism because of
a. interference.
b. diffraction.
c. specular reflection.
d. dispersion.
e. polarization.
d
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When the frequency of the source of a water wave increases, the speed of the waves traveling in the water
a. remains unchanged. b. increases. c. decreases. d. cannot be determined.
The three blocks in the figure are on a frictionless surface. If F = 48.0 N, m1 = 2.0 kg, m2 = 1.5 kg, and m3 = 3.5 kg, what is the tension in the cord?
a.
24.0 N
b.
6.86 N
c.
13.7 N
d.
32.0 N
The planet Venus requires 225 days to orbit the Sun, which has a mass M = 1.99 × 10^30 kg, in an almost circular trajectory. Calculate the radius of the orbit and the orbital speed of Venus as it circles the Sun
Law enforcement officers use radar guns based on the Doppler effect to measure the speed of automobiles. Explain why the details of the Doppler effect make it desirable for the officers to park near the road in a place without curves
What will be an ideal response?