Which of the following is that form of energy associated with an object's motion?
a. potential
c. bio-chemical
b. thermal
d. kinetic
D
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Weather occurs in the troposphere
Indicate whether the statement is true or false
A boy on board a cruise ship drops a 30.0 gm marble into the ocean. If the resistive force proportionality constant is 0.500 kg/s, what is the terminal speed of the marble in m/s?
a. 0.147 b. 0.294 c. 0.588 d. 1.18 e. 2.35
If the index of refraction of a material is 2, this means that light travels
A) 2 times as fast in air as it does in vacuum. B) 2 times as fast in the material as it does in air. C) 2 times as fast in vacuum as it does in the material. D) 2 times as fast in the material than it does in vacuum. E) 1/2 as fast in air as it does in the material.
Notice that the peaks and troughs on the temperature graph occur at the about the same times as peaks and troughs on the carbon dioxide graph. What can we infer from this fact alone?
A. Higher global average temperatures cause higher carbon dioxide concentrations. B. Higher carbon dioxide concentrations cause higher global average temperatures. C. The carbon dioxide concentration is inversely related to the global average temperature. D. There is a correlation between the carbon dioxide concentration and the global average temperature.