Physics, 13.08.2021 01:00 johnnyaby69
An electric motor has an effective resistance of 29.4 Ω and an inductive reactance of 42.6 Ω when working under load. The rms voltage across the alternating source is 442 V. Calculate the rms current.
Answers: 2
Physics, 22.06.2019 06:30
Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?
Answers: 1
Physics, 22.06.2019 12:10
Awater slide of length l has a vertical drop of h. abby's mass is m. an average friction force of magnitude f opposes her motion. she starts down the slide at initial speed vi. use work-energy ideas to develop an expression for her speed at the bottom of the slide. then evaluate your result using unit analysis and limiting case analysis. express your answer in terms of the variables h, m, l, vi, f and appropriate constants. vf v f
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You throw a baseball directly upward at time =0 at an initial speed of 14.9 m/s. what is the maximum height the ball reaches above where it leaves your hand? ignore air resistance and take =9.80 m/s2.
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All phase changes are .an example of a phase change is an ice cube melting
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An electric motor has an effective resistance of 29.4 Ω and an inductive reactance of 42.6 Ω when...
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