The average distance from Earth to the sun is 1 AU
Indicate whether the statement is true or false
T
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RLC Circuits: A 120-V rms signal at 60.0 Hz is applied across a series combination of a 30.0-mH inductor and a resistor. If the rms value of the current in this circuit is 0.600 A, what is the resistance of the resistor?
A. 80.0 ? B. 268 ? C. 143 ? D. 200 ? E. 30.0 ?
Suppose you want to observe and study the radiation from gas inside an interstellar bubble created by a supernova. Which of the following observatories will be most useful?
A) an x-ray telescope in space B) a visible-light telescope on a mountain summit C) an infrared telescope in space D) the Hubble Space Telescope
A planet has two small satellites in circular orbits around the planet. The first satellite has a period 12.0 hours and an orbital radius 6.00 × 107 m. The second planet has a period 16.0 hours. What is the orbital radius of the second satellite?
A) 4.50 × 107 B) 3.90 × 107 C) 9.24 × 107 D) 8.00 × 107 E) 7.27 × 107
Two men, Joel and Jerry, push against a car that has stalled, trying unsuccessfully to get it moving. Jerry stops after 10 min, while Joel is able to push for 5.0 min longer. Compare the work they do on the car
A) Joel does 75% more work than Jerry. B) Joel does 50% more work than Jerry. C) Jerry does 50% more work than Joel. D) Joel does 25% more work than Jerry. E) Neither of them does any work.