Io's internal heat is due to tidal interactions with Jupiter and Europa
Indicate whether the statement is true or false
TRUE
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For a diverging lens with one flat surface, the radius of curvature for the curved surface is 25.0 cm. What must the index of refraction be so that the focal length is –17.0 cm?
a. 0.680 b. 1.68 c. 2.47 d. 1.74 e. 1.47
A bucket filled with water has a mass of 23 kg and is attached to a rope, which in turn, is wound around a 0.080-m radius cylinder at the top of a well. What torque does the weight of water and bucket produce on the cylinder if the cylinder is not permitted to rotate? (g = 9.8 m/s2)
a. 34 N•m c. 11 N•m b. 18 N•m d. 36 N•m
Series/Parallel Circuits: A portion of a circuit is shown in the figure, and the batteries are ideal. What is the potential difference VA - VB if I = 5.0 A?
A. 63 V B. 35 V C. 55 V D. 45 V E. 71 V
A typical galaxy is a ________
A) relatively small, icy object orbiting a star B) collection of a few hundred million to a trillion or more stars, bound together by gravity C) system consisting of one or a few stars orbited by planets, moons, and smaller objects D) large, glowing ball of gas powered by nuclear energy E) nearby object orbiting a planet