The Galactic Disk has been flattened by the ________ of the Galaxy
Fill in the blank(s) with correct word
rotation
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Which of the following is that form of energy associated with an object's location in a conservative force field?
a. potential b. thermal c. bio-chemical d. kinetic
A 200-loop coil of cross sectional area 8.5 cm2 lies in the plane of the page. An external magnetic field of 0.060 T is directed out of the plane of the page. The external field decreases to 0.020 T in 12 milliseconds
(a) What is the magnitude of the change in the external magnetic flux enclosed by the coil? (b) What is the magnitude of the average voltage induced in the coil as the external flux is changing? (c) If the coil has a resistance of 4.0 ohms, what is the magnitude of the average current in the coil?
Currently, in the United States, which sector of the economy uses the most energy?
a. Industry b. Transportation c. Commercial d. Residential
A 2.0-?F capacitor that is initially uncharged is charged through a 50-k? resistor. How long does it take for the capacitor to reach 90% of its full charge?
A) 0.90 s B) 2.2 s C) 0.23 s D) 2.3 s