Candy_Questions_14_Post

Candy_Questions_14_Post - Give your answer to three...

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41d . Given : Wayne uses a strobe to measure the rotation rate of a pulley. One dot is painted on the face of the pulley. The pulley is rotating at 4000 rpm, and the strobe is flashing at 5000 rpm. To do : How many “frozen” dots does Wayne see? Solution : 42 . Given : A magnetic pickup tachometer uses a gear with 36 teeth to measure the rotation rate of a shaft. The electronic timing device displays 2578 pulses per second. To do : Calculate the angular velocity of the shaft in radians per second.
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Unformatted text preview: Give your answer to three significant digits. Solution : 43 . Given : A hydraulic jack is constructed with the large piston diameter equal to 25.4 cm (10 inch) and the small piston diameter equal to 0.635 cm (1/4 inch). To do : How much weight (in lbf) can a person lift with the jack if he exerts a force of 20.0 lbf on the small piston? Give your answer to three significant digits. Solution :...
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