It's harder to stop or turn a moving supertanker than a small speedboat because
A) the speed boat has a larger velocity.
B) the supertanker has more force.
C) the supertanker has a larger momentum.
D) the supertanker has a larger velocity.
E) the speedboat has more force.
C
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Polarization: Light of intensity S0 that is polarized horizontally passes through three ideal polarizers. The first and third are horizontal, but the second one is oriented at 0.39270 rad to the horizontal. In terms of S0, the intensity of the light that passes through the set of polarizers is closest to which one of the following choices?
A. 0.729 S0 B. 0.125 S0 C. 0.427 S0 D. 0.854 S0
What are cosmic rays?
A) subatomic particles that travel close to the speed of light B) a form of light with shorter wavelength than gamma rays C) fast-moving dust particles in the interstellar medium D) any light waves from space
The wavelength of a wave multiplied by the frequency of the wave is the wave's
a. speed. b. frequency. c. wavelength. d. amplitude. e. loudness.
Some anthropological evidence for the precession of Earth's tilt is that the passage into the Great Pyramid in Egypt points at the star Thuban, which was the polestar about 6,000 years ago.
Answer the following statement true (T) or false (F)