Two pulleys, one with radius 2 inches and one with radius 9 inches, are connected by a belt. if the 2-inch pulley is caused to rotate at 5 revolutions per minute, determine the revolutions per minute of the 9 dash inch pulley. (hint: the linear speeds of the pulleys are the same, both equal the speed of the belt.)
Answers: 3
Physics, 21.06.2019 17:20
You have been called to testify as an expert witness in a trial involving a head-on collision. car a weighs 1515 lb and was traveling eastward. car b weighs 1125 lb and was traveling westward at 44.0 mph. the cars locked bumpers and slid eastward with their wheels locked for 22.5 ft before stopping. you have measured the coefficient of kinetic friction between the tires and the pavement to be 0.750 . how fast (in miles per hour) was car a traveling just before the collision? (this problem uses english units because they would be used in a u.s. legal proceeding.)
Answers: 3
Physics, 21.06.2019 21:30
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Physics, 23.06.2019 01:30
Match each type of lever with the correct diagram. 1. first-class 2. third-class 3. second-class
Answers: 3
Two pulleys, one with radius 2 inches and one with radius 9 inches, are connected by a belt. if the...
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