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3. The arm and blade of a windshield wiper have a length of 34 inches. If the blade is 25 inches long and the wiper sweeps out an angle of 120°, how much window area can the blade clean? 4. A pendulum swings through an angle of 200 each second. If the pendulum is 40 inches long, how far does its tip move each second?

3. The arm and blade of a windshield wiper have a length of 34 inches. If the blade is 25 inches long and the wiper sweeps out an angle of 120°, how much window area can the blade clean? 4. A pendulum swings through an angle of 200 each second. If the pendulum is 40 inches long, how far does its tip move each second?

Mathematics For Machine Technology
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter50: Lines And Angular Measure
Section: Chapter Questions
Problem 8A
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3. The arm and blade of a windshield wiper have a length of 34 inches. If the blade is 25 inches long and the wiper sweeps out an angle of 120°, how much window area can the blade clean? 4. A pendulum swings through an angle of 200 each second. If the pendulum is 40 inches long, how far does its tip move each second?
Transcribed Image Text:3. The arm and blade of a windshield wiper have a length of 34 inches. If the blade is 25 inches long and the wiper sweeps out an angle of 120°, how much window area can the blade clean? 4. A pendulum swings through an angle of 200 each second. If the pendulum is 40 inches long, how far does its tip move each second?
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