Physics, 10.04.2021 19:50 marine7643
A piece of copper has a cross sectional area of 3 x 106 m².
It carries a current of 100 u A. Calculate the drift velocity if the number of free
electrons
per
unit volume is 1029 m
Assume that the charge on one electron is 1.6 x 10-19 C
-3
Answers: 2
Physics, 22.06.2019 13:30
If the spring constant k of a pogo stick is 3500 n m and the weight of the person on the pogo stick is 700 n, how much is the spring in the botom of the pogo stick compressed?
Answers: 2
Physics, 22.06.2019 15:00
What pressure difference is required between the ends of a 2.0-m-long, 1.0-mm-diameter horizontal tube for 40 c water to flow through it at an average speed of 4.0 m/s?
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Physics, 22.06.2019 23:20
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
A piece of copper has a cross sectional area of 3 x 106 m².
It carries a current of 100 u A. Calcul...
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