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2. A blimp used for aerial camera views of sporting events holds 200,000 ft3 of helium.
a) How much does the helium weigh?
b) What is the buoyant force on the blimp at sea level?
c) How much can the blimp lift in addition to the helium?
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Question: A parallel-plate air capacitor has a capacitance of 920 pF. The charge on each plate is 2.55 µC. (a) What is the potential difference between the plates? (b) If the charge is kept constant, what will be the po ...
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Question: Tarzan, in one tree, sights Jane in another tree. He grabs the end of a vine with length 20 m that makes an angle of 45 degrees with the vertical, steps off his tree limb, and swings down and then up to Jane's ...
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