In order for two waves to interfere completely destructively, they must have the same amplitude
Indicate whether the statement is true or false
T
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Triton orbits in the same direction as Neptune's rotation
a. True b. False Indicate whether the statement is true or false
If a star has a parallax of 0.05", then its distance in light-years is about
A) 6.4 light-years. B) 12.7 light-years. C) 20 light-years. D) 65 light-years. E) 100 light-years.
An ideal heat engine can have an efficiency of 1 if the temperature of the low temperature reservoir is
a. 0 K. b. 0°C. c. 0°F. d. 0°R. e. the same as the temperature of the heat source.
A charge of 8.0 pC is distributed uniformly on a spherical surface (radius = 2.0 cm), and a second charge of -3.0 pC is distributed uniformly on a concentric spherical surface (radius = 4.0 cm). Determine the magnitude of the electric field 5.0 cm from the center of the two surfaces
a. 14 N/C b. 11 N/C c. 22 N/C d. 18 N/C e. 40 N/C