Section 3.8-problems-1 - to (aqt73) Section 3.8 isaacson...

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Unformatted text preview: to (aqt73) Section 3.8 isaacson (55826) 1 This print-out should have 5 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points A rock is thrown into a still pond and causes a circular ripple. If the radius of the ripple is increasing at a rate of 6 ft/sec, at what speed is the area of the ripple increasing when its radius is 2 feet? 1. speed = 24 sq. ft/sec 2. speed = 23 sq. ft/sec 3. speed = 23 sq. ft/sec 4. speed = 25 sq. ft/sec 5. speed = 21 sq. ft/sec 6. speed = 21 sq. ft/sec 7. speed = 22 sq. ft/sec 8. speed = 24 sq. ft/sec 002 10.0 points A street light is on top of a 10 foot pole. Joe, who is 4 feet tall, walks away from the pole at a rate of 3 feet per second. At what speed is the tip of Joes shadow moving from the base of the pole when he is 14 feet from the pole? 1. tip speed = 8 ft/sec 2. tip speed = 4 ft/sec 3. tip speed = 5 ft/sec 4. tip speed = 6 ft/sec 5. tip speed = 7 ft/sec...
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Section 3.8-problems-1 - to (aqt73) Section 3.8 isaacson...

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