One kind of elevator has the elevator car hangingfrom a cable, which then passes over a pulley andconnects to a counterweight, as shown in (Figure1). The mass of a fully-loaded elevator (that is, theelevator and all its passengers) is 1700 kg , themass of the counterweight is 1550 kg , and thepulley has a radius of 0.4 m and a mass of 400 kgA motor drives the motion of the elevator byexerting a torque on the pulley. Assume thatfriction is negligibe.SubmitRequest AnswerPart CA group of people get on a fully-loaded elevator and ride it up three floors (a distance of about 9 meters), where they exitthe elevator. If it took 5 seconds for the elevator to travel up those three floors, how much power did the motor need toprovide?μνα ΑΣφFigure1 of 1SubmitRequest AnswerPart DTo see the value of the counterweight, repeat the calculation in Part C if the elevator had no counterweight (or alternatively,if the mass of the counterweight were Okg).counterweightSubmitRequest Answerelevator ConstantsOne kind of elevator has the elevator car hangingfrom a cable, which then passes over a pulley andconnects to a counterweight, as shown in (Figure1). The mass of a fully-loaded elevator (that is, theelevator and all its passengers) is 1700 kg , themass of the counterweight is 1550 kg , and thepulley has a radius of 0.4 m and a mass of 400 kgA motor drives the motion of the elevator byexerting a torque on the pulley. Assume thatfriction is negligibe.Part AWhat is the magnitude of the torque the motor must exert in order to lift a fully-loaded elevator with a constant accelerationof magnitude 1.0m/s²?Hνα ΑΣφ?NmSubmitRequest AnswerFigure<) 1 of 1Part BWhat is the magnitude of the torque the motor must exert in order to lower a fully-loaded elevator with a constantacceleration of magnitude 1.0m/s²?counterNmweightSubmitRequest AnswerPart CelevatorA group of people get on a fully-loaded elevator and ride it up three floors (a distance of about 9 meters), where they exitthe olorator If it took 6 soconds for the olovator to travol up thos throo floors how much powor did the motor pood to

Given that mass of the counter weight and mass of the fully loaded elevator and radius of the pulley…

One kind of elevator has the elevator car hanging Submit Request Answer from a cable, which then passes over a pulley and connects to a counterweight, as shown in (Figure 1). The mass of a fully-loaded elevator (that is, the elevator and all its passengers) is 1700 kg , the mass of the counterweight is 1550 kg , and the pulley has a radius of 0.4 A motor drives the motion of the elevator by exerting a torque on the pulley. Assume that friction is negligibe. Part C and a mass of 400 kg A group of people get on a fully-loaded elevator and ride it up three floors (a distance of about 9 meters), where they exit the elevator. If it took 5 seconds for the elevator to travel up those three floors, how much power did the motor need to provide? Nνα ΑΣφ ? Figure < 1 of 1> Submit Request Answer Part D To see the value of the counterweight, repeat the calculation in Part C if the elevator had no counterweight (or alternatively, if the mass of the counterweight were Okg). ? counter weight Submit Request Answer elevator

One kind of elevator has the elevator car hanging Submit Request Answer from a cable, which then passes over a pulley and connects to a counterweight, as shown in (Figure 1). The mass of a fully-loaded elevator (that is, the elevator and all its passengers) is 1700 kg , the mass of the counterweight is 1550 kg , and the pulley has a radius of 0.4 A motor drives the motion of the elevator by exerting a torque on the pulley. Assume that friction is negligibe. Part C and a mass of 400 kg A group of people get on a fully-loaded elevator and ride it up three floors (a distance of about 9 meters), where they exit the elevator. If it took 5 seconds for the elevator to travel up those three floors, how much power did the motor need to provide? Nνα ΑΣφ ? Figure < 1 of 1> Submit Request Answer Part D To see the value of the counterweight, repeat the calculation in Part C if the elevator had no counterweight (or alternatively, if the mass of the counterweight were Okg). ? counter weight Submit Request Answer elevator

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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