P2207_fall10_lecture37

# P2207_fall10_lecture37 - now v t = A 0.5 mm/s B 1 mm/s C 2...

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A. Air flows from the large to the small balloon B. Air flows from the small to the large balloon C. Insufficient information What happens?

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Today: Terminal speed (again…) Surface tension Bubbles

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A tiny water droplet in a cloud is falling at its terminal speed of 1 mm/s . After more water condenses on it, its radius doubles . What is its terminal speed

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Unformatted text preview: now? v t = ? A. 0.5 mm/s B. 1 mm/s C. 2 mm/s D. 4 mm/s E. 8 mm/s Bubbles… m ~0.01 g, W ~10-4 N A soap film with surface tension stretches across a rectangular plastic frame as shown. A. L B. W C. 2 L D. 2 W E. Insufficient information W L What is the force F exerted by the film on the left edge of the frame? Bubbles…...
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## This note was uploaded on 12/18/2011 for the course PHYS 2207 at Cornell.

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P2207_fall10_lecture37 - now v t = A 0.5 mm/s B 1 mm/s C 2...

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