A truck with 28-in.-diameter wheels is traveling at 45 mi/h. Find the angular speed of the wheels in rad/min, *hint convert miles to inches & hours to minutes: rad/min How many revolutions per minute do the wheels make? rpm
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Convert 45 miles per hour to inches per minute: 45 miles/hour = 45 x 5280 feet/hour (1 mile = 5280 feet) = 237600 feet/hour = 237600/60 inches/minute (1 foot = 12 inches) = 3960 inches/minute Show more…
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