Section 3.7-problems - 003 10.0 points When an object is...

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to (aqt73) – Section 3.7 – isaacson – (55826) 1 This print-out should have 4 questions. Multiple-choice questions may continue on the next column or page – fnd all choices beFore answering. 001 10.0 points A storm system is headed towards Austin. The Weather Service O±ce Forecasts that t hours aFter mid-day the storm will be at a distance oF s ( t ) = 15 + 2 t - t 2 miles From Austin. At what speed (in miles per hour) will the storm be moving when it reaches Austin? 1. storm speed = 8 mph 2. storm speed = - 10 mph 3. storm speed = 9 mph 4. storm speed = - 9 mph 5. storm speed = - 8 mph 6. storm speed = 10 mph 002 10.0 points A car is given a push down the roller-coaster at Six ²lags. IF it travels a distance s ( t ) = 5 t + 3 t 2 in t seconds, how long does it take For the car’s velocity to reach 35 Ft/sec? 1. 2 seconds 2. 3 seconds 3. 5 seconds 4. 4 seconds 5. 6 seconds
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Unformatted text preview: 003 10.0 points When an object is placed at a distance p From a convex lens having Focal length 6 cms, then the image will be at a distance q From the lens while 1 6 = 1 p + 1 q . ind the rate oF change oF p with respect to q . 1. rate oF change =-36 ( q-6) 2 2. rate oF change =-36 q-6 3. rate oF change =-6 ( q-6) 2 4. rate oF change = 36 q-6 5. rate oF change = 6 q-6 6. rate oF change = 36 ( q-6) 2 004 10.0 points AFter t seconds the position oF a particle moving along the x-axis is given (in Feet) by x ( t ) = sin 2 t + 5 cos 3 t , t . ind the acceleration oF the particle when t = . 1. acceleration = 61 Ft/sec 2 2. acceleration = 57 Ft/sec 2 3. acceleration = 53 Ft/sec 2 4. acceleration = 49 Ft/sec 2 5. acceleration = 45 Ft/sec 2...
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