Using the definitions for neap and spring tides, explain when is the best time to go surfing in one 24-hour day on Earth
What will be an ideal response?
Spring tides are the highest of all tides so go surfing near high tide in the daylight hours.
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Determine the absorptivity of radiation through a 5 foot wide plume of exhaust gases at 180ºF and 1 atmosphere pressure. The gases are a mixture of air with relative humidity of 15% and carbon dioxide having mole fraction of 20%.
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A 1.75-kg picture frame is hung on the wall by means of a string as in the figure (show picture frame with distance between the points of connection on the frame labeled with 37.0cm and vertical displacement of the string as 4.00cm). What is the tension T in the string?
A. 8.6 N B. 40.6 N C. 159 N D. 17.2 N E. 79.4 N
What relationship did Newton find between orbital and escape velocities? Relate this to the staging of the Apollo missions, first to a parking orbit about the Earth, and then on to the Moon
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A + 5.0-?C charge is moved from a negative to a positive plate of a parallel plate capacitor. In moving this charge 0.30 mJ of energy is used. What is the potential difference between the plates of this capacitor?
A) 60 V B) 81 V C) 55 V D) 23 V E) 0 V