The most efficient engine possible is the
A) Joule cycle.
B) Wright cycle.
C) Kelvin cycle.
D) Carnot cycle.
E) Otto cycle.
D
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The Very Long Baseline Array (VLBA)
a. is the highest resolution optical telescope ever built. b. is located in Arecibo, Puerto Rico. c. is a matched pair of 8 m telescopes, one of which is in Chile and the other in Hawaii. d. is an air-borne infrared telescope. e. is a set of radio telescopes linked together electronically to provide very high resolution.
In the figure, the radius of curvature of the curved part of the lens is 35.0 cm, and the refractive index of the lens material is 1.620. What is the focal length of the lens?
A) +56.5 cm B) -56.5 cm C) +28.2 cm D) +21.6 cm E) -21.6 cm
Objects A and B are at the same temperature. Object A now has its temperature increased by one Fahrenheit degree, while B has its temperature increased by one Kelvin degree. Which object now has higher temperature?
A. Object A B. Object B C. Both have the same temperature D. It is impossible to tell from this data
The Milky Way is moving further away from most other galaxies in the universe
Indicate whether the statement is true or false