Physics, 02.12.2020 20:40 Mistytrotter
A mover uses a pulley to lift a 2,400 Newton piano up to the second floor. Each time he pulls the rope down 2 meters (input distance), the piano moves up 0.25 meters (output distance). With what force does the mover pull on the rope?
Answers: 2
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Describe the path of the electric current through a circuit?
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An electric clothes dryer has a resistance of 8 ohms. it draws 30 a of current. what is the voltage, in volts, of the wall outlet that it is plugged into?
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Suppose a wheel with a tire mounted on it is rotating at the constant rate of 2.15 times a second. a tack is stuck in the tire at a distance of 0.373 m from the rotation axis. noting that for every rotation the tack travels one circumference (a) find the tack's tangential speed. (b) what is the tacks radial acceleration?
Answers: 2
A mover uses a pulley to lift a 2,400 Newton piano up to the second floor. Each time he pulls the ro...
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