Force on a Moving Charge: A proton moving at 5.0 × 104 m/s horizontally enters a region where a magnetic field of 0.12 T is present, directed vertically downward. What magnitude force acts on the proton due to this field? (e = 1.60 × 10-19 C)
Fill in the blank(s) with the appropriate word(s).
9.6 × 10-16 N
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A) lack of an ozone layer in Mars B) high escape velocity of Mars C) high air pressure of Mars D) lack of carbon dioxide in Mars's air
Neutrinos can feel
A) the electromagnetic force. B) the strong force. C) Both of the above. D) the weak force. E) None of the above.
Transformers: A generator produces 60 A of current at 120 V. The voltage is usually stepped up to 4500 V by an ideal transformer and transmitted through a power line of total resistance 1.0 ?. Find the number of turns in the secondary if the primary has 200 turns.
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