The function of polarizing filters in viewing 3-D slides or movies is to provide each eye
A) the ability to see parallax.
B) a balanced intensity.
C) an independent left or right-eye view.
D) a stereoscopic view.
E) with light polarized at right angles to each other.
Answer: C
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Energy and Momentum: Two simple pendulums of equal length l = 0.45 m are suspended from the same point. The pendulum bobs are small solid steel spheres. The first bob is drawn back to make a 35° angle with the vertical, while the other one is left hanging at rest. If the first bob has a mass of 0.25 kg and the second has a mass of 0.54 kg, how high will the second bob rise above its initial position when struck elastically by the first bob after it is released?
A. 3.3 cm B. 2.7 cm C. 3.9 cm D. 4.4 cm
The amplitude of a lightly damped harmonic oscillator decreases from 60.0 cm to 40.0 cm in 10.0 s. What will be the amplitude of the harmonic oscillator after another 10.0 s passes?
A) 20.0 cm B) 167 cm C) 30.0 cm D) 0.00 cm E) 26.7 cm
When a comet passes near the Sun, part of it takes on the appearance of a large, bright ball from which the tail extends. This part is called
A) the nucleus. B) the coma. C) the plasma tail. D) the Oort core.
An object is undergoing simple harmonic motion with frequency f = 9.7 Hz and an amplitude of 0.12 m. At t = 0.00 s the object is at x = 0.00 m. How long does it take the object to go from x = 0.00 m to x=0.048 m?
What will be an ideal response?