Three resistors,
are connected in series to a 9.0 V battery. What is the power dissipated by 
A. 2.0 W
B. 4.0 W
C. 5.1 W
D. 9.0 W
E. 2.3 W
B. 4.0 W
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Geosynchronous satellites
a. have an orbital period of 24 hours. b. remain above a geographical point on Earth while Earth rotates underneath. c. have an orbital period of 24 hours and remain above a geographical point on Earth while Earth rotates underneath. d. None of the other choices are correct.
If a star's pressure increases in its interior to push the star outward, its temperature will drop, causing the star to contract and eventually return to equilibrium
a. True b. False Indicate whether the statement is true or false
The amplitude of a wave is 1 meter. The crest-to-trough distance of the wave is
A) 0.5 m. B) 1 m. C) 2 m. D) none of the above
When light enters glass from air, which of these properties of the light change?
a. frequency b. wavelength c. speed d. all of the above