Physics, 17.07.2019 17:30, jasjas3722
Awinch system powered by a 7.2 volt motor is used to lift a 30 newton load a distance of 2.5 meters. the motor's current rating is 370 milliamps. what is the efficiency of the electro-mechanical system if the time required to raise the load is 90 seconds?
Answers: 1
Physics, 22.06.2019 00:00, robertbyrd2017
What must be the same for any two resistors that are connected in series ? a. the potntial diffrence across each b. the rate at which charge moves through each c. the rate at which energy is used by each d. the resistance to the flow of charge of each
Answers: 1
Physics, 22.06.2019 10:30, Kathryn014
Light from a sodium lamp passes through a diffraction grating that has 1000 slits per millimeter. the interference pattern is viewed on a screen 1.000 m behind the grating. the first (m = 1) two bright yellow fringes that are visible are 0.7288 m and 0.7300 m from the central maximum. what are the wavelengths of these two fringes?
Answers: 2
Awinch system powered by a 7.2 volt motor is used to lift a 30 newton load a distance of 2.5 meters....
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