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Physics, 03.10.2019 05:30 maddy121209
1.which characteristic is common to all permanent magnets?
2. a proton enters a uniform magnetic field at a speed v . the magnetic field is oriented at an angle to the direction of the proton, and the strength of the field is b . which change or set of changes would double the magnitude of the force on the proton?
answer all three .
30 pts !
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1.which characteristic is common to all permanent magnets?
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