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8. A proton enters a uniform magnetic field at a speed v. The magnetic field is oriented at an angle ϕ 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? (1 point)\
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Atotal charge of –6.50 µc is uniformly distributed within a sphere that has a radius of 0.150 m. what is the magnitude and direction of the electric field at 0.300 m from the surface of the sphere? a) 2.89 × 105 n/c, radially inward b) 6.49 × 105 n/c, radially outward c) 4.69 × 105 n/c, radially inward d) 9.38 × 105 n/c, radially outward e) 1.30 × 106 n/c, radially inward
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What are atoms of the same element with varying number of neutrons
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8. A proton enters a uniform magnetic field at a speed v. The magnetic field is oriented at an angle...
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