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

Physics & Space Science

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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

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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.

A. 5 B. 200 C. 4500 D. 7500

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If the Moon is setting at noon the phase of the Moon must be?

A. third quarter B. full moon C. new moon D. first quarter

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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.

Physics & Space Science