Physics, 30.07.2021 17:30 uehlingt39
Dùng một ắcquy có suất điện động 12Vvà điện trở trong 1Ω để nạp điện cho một bộ pin gồm 6 pin loại 1,5V - 1,5 Ω mắc nối tiếp. Hiệu điện thế giữa hai cực của mỗi pin là:
Answers: 3
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Astudent weighing 700 n climbs at constant speed to the top of an 8 m vertical rope in 10 s. the average power expended by the student to overcome gravity is most nearly
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What is the gravitational attraction between a dating couple whose centers of mass are 0.630 m apart if the boy weighs 715 n and the girl weighs 465 n?
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Astep up transformer has 250 turns on its primary and 500 turns on it secondary. when the primary is connected to a 200 v and the secondary is connected to a floodlight that draws 5a, what is the power output? show all of your work.
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Acharge q experiences no net force at a particular point in space. which of the following situations described below must always be true? -there are no other charges nearby. -if there are other charges nearby, they must all have the same sign as q. -if there are other charges nearby, they must all have the opposite sign of q. -if there are other charges nearby, the total positive charge must equal the total negative charge. -none of the above
Answers: 2
Dùng một ắcquy có suất điện động 12Vvà điện trở trong 1Ω để nạp điện cho một bộ pin gồm 6 pin loại 1...
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