If you break a bar magnet in half, each half
a) contains one magnetic pole
b) becomes a...
Physics, 13.10.2019 03:10 angelafisher886
If you break a bar magnet in half, each half
a) contains one magnetic pole
b) becomes a bar magnet with two poles
c) becomes unmagnetized
d) is only temporarily magnetized
Answers: 3
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Any color picture tube and electric field exerts a net force of magnitude 1.68x 10^-13 n on an electron the rest mass of an electron is 9.11 x 10^-13 what is the electron acceleration?
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Ms.hidalgo opens the door to her classroom. her classroom is 60 degrees and the air outside is 80. predict what will happen using your knowledge of how heat flows.
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(2) (a) you have a simple circuit that consists of only a battery (δvbat=1.5v) and two resistors with resistance r1=10ω and r2=5ω, connected in series with each other. what is the current running through the battery? (b) you re-arrange your circuit so now r2 is attached in parallel to r1 rather than in series. what is the current running through the battery? (c) you add an additional resistor r3=7ω on the same branch as r2. what is the current running through the battery? (d) what is the power dissipated in r3?
Answers: 3
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