28. Magnetic Fields and Forces
Force on Moving Charges & Right Hand Rule
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- Multiple ChoiceA charged particle moving in a magnetic field experiences a force toward the top of this screen when it is moving toward the right and the field is into this screen. Is this particle positive, negative or neutral?534views
- Textbook QuestionA rocket cruises past a laboratory at 1.00×10^6 m/s in the positive x-direction just as a proton is launched with velocity (in the laboratory frame) v =(1.41×10^6 î+1.41×10^6 ĵ) m/s. What are the proton's speed and its angle from the y-axis in (b) the rocket frame?294views
- Textbook Question
Muons ( mass = 207 times the electron mass, same charge ― e ) are accelerated horizontally by 65 kV. They then pass through a uniform magnetic field B for a distance of 3.8 cm, which deflects them upward so they reach a detector 22 cm away, 11 cm above their original direction. Estimate the value of B.
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(III) A 3.40-g bullet moves with a speed of 155 m/s perpendicular to the Earth’s magnetic field of 5.00 x 10⁻⁵ T . If the bullet possesses a net charge of 18.5 x 10⁻⁹ C , by what distance will it be deflected from its path due to the Earth’s magnetic field after it has traveled 1.25 km?
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(II) An electron moves with velocity v (→ above v) = (6.0 î ― 7.0 ĵ) x 10⁴ m/s in a magnetic field B (→ above B) = (―0.80 î + 0.60 ĵ) T . Determine the magnitude and direction of the force on the electron.
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