Astudent made an electromagnet using a battery, electrical tape, and metal wire. which of the following actions will not increase the magnetic field that is being produced? changing the type of wire that has low resistance making coils in the wire increasing the number of batteries that are used switching the side of the battery to which each side of the wire is connected : )
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You are given two vectors aβ =β3.00ΞΉ^ 5.00j^ and bβ =5.00ΞΉ^ 2.00j^. let the counterclockwise angles be positive.
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In an old-fashioned amusement park ride, passengers stand inside a 3.0-m-tall, 5.0-m-diameter hollow steel cylinder with their backs against the wall. the cylinder begins to rotate about a vertical axis. then the floor on which the passengers are standing suddenly drops away! if all goes well, the passengers will βstickβ to the wall and not slide. clothing has a static coefficient of friction against steel in the range 0.60 to 1.0 and a kinetic coefficient in the range 0.40 to 0.70. part a what is the minimum rotational frequency, in rpm, for which the ride is safe? express your answer using two significant figures. f f = rpm
Answers: 1
Astudent made an electromagnet using a battery, electrical tape, and metal wire. which of the follow...
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