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Unformatted text preview: handa (nh5757) HW10 meth (55830) 1 This printout should have 5 questions. Multiplechoice questions may continue on the next column or page find all choices before answering. 001 10.0 points Find the rate at which the surface area of a sphere is changing with respect to its radius r when r = 4 cm. 1. rate = 27 cm 2 / cm 2. rate = 8 cm 2 / cm 3. rate = 48 cm 2 / cm 4. rate = 32 cm 2 / cm 5. rate = 36 cm 2 / cm 002 10.0 points If a tank holds 2000 gallons of water, and the water can drain from the tank in 40 min utes, then Torricellis Law gives the volume V of water remaining in the tank after t minutes as V = 2000 parenleftbigg 1 t 40 parenrightbigg 2 . Find the rate at which water is draining from the tank after 30 minutes. 1. rate = 23 gal/min 2. rate = 21 gal/min 3. rate = 25 gal/min 4. rate = 30 gal/min 5. rate = 22 gal/min 003 10.0 points The position of a car being driven on a straight road is given by s ( t ) = 1 3 ( t 2 + 7) 3 / 2 as measured in feet from some fixed point.as measured in feet from some fixed point....
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 Spring '10
 Gualdini

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