A skipper on a boat notices wave crests passing the anchor chain every 5 s. The skipper estimates the distance between crests is 15 m. What is the speed of the water waves?
A. 5 m/s
B. 3 m/s
C. 15 m/s
D. not enough information
Answer: B
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The energy requirements of water's latent heat of fusion are the same as water's latent heat of vaporization
a. True b. False
Methane can exhibit ________ times more greenhouse potential than carbon dioxide.
A. 2 B. 250 C. 1000 D. 25 E. 5
Given that winds are inconsistent, the best place to position new wind turbines would be
A) along railroad tracks, where there are few trees. B) along rivers and streams, where there is less human interference. C) in offshore locations where winds are more consistent. D) in deserts, where few man-made structures are located.
The ultimate cause of jet streams is
a. ?the fact that water can exist in all three phases at once. b. ?ultraviolet energy from the Sun. c. ?the energy imbalance between high and low latitudes. d. ?the instream of cold waters from the poles. e. ?global warming.