A bubble-producing soda is an example of
a. an unsaturated solution.
b. a saturated solution.
c. a supersaturated solution.
d. a completely unsaturated solution.
c
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Stars in the same constellation
a. probably formed at the same time. b. must be part of the same cluster of stars in space. c. must have been discovered at about the same time at the same location in space. d. may actually be very different distances away from the observer and from each other.
The medium in which a wave travels
A) moves along with the wave. B) transmits the wave. C) inhibits the wave. D) reflects the wave.
A 1500-kg car accelerates from 0 to 25 m/s in 7.0 s with negligible friction and air resistance. What is the average power delivered by the engine? (1 hp = 746 W)
A) 50 hp B) 60 hp C) 70 hp D) 80 hp E) 90 hp
A fused combination of a diverging and converging lens pair each made from a different index of refraction glass, is used to reduce the occurrence of which of the following effects?
a. spherical aberration b. mirages c. chromatic aberration d. light scattering