5. A 5.9 µC charge is accelerated by a potential difference of -7 V, which makes it go from a velocity of 4.1x10³ m/s (left) to a velocity of 9.2x10³ m/s (left). a. Since the particle was traveling to the left, and sped up, what was the direction of the acceleration of the charge, left or right? b. What then must have been the direction of the force on the charge? c. And then what must have been the direction of the electric field in the area?

Physics for Scientists and Engineers: Foundations and Connections
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Chapter26: Electric Potential
Section: Chapter Questions
Problem 65PQ: Two 5.00-nC charged particles are in a uniform electric field with a magnitude of 625 N/C. Each of...
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5. A 5.9 µC charge is accelerated by a potential difference of -7 V, which makes it go from a velocity of
4.1x10 m/s (left) to a velocity of 9.2x10³ m/s (left).
a. Since the particle was traveling to the left, and sped up, what was the direction of the acceleration of the
charge, left or right?
b. What then must have been the direction of the force on the charge?
c. And then what must have been the direction of the electric field in the area?
d. Given that you know the electric field has to point from high potential to low potential, is the electron
traveling from a low to a high potential, or is it traveling from a high to a low potential? (check that your
answer matches with the sign of the given potential difference! If it doesn't match, ask me, I can help you spot
what went wrong!)
e. Calculate the mass of the particle. [1.22x10-12 kg]
Transcribed Image Text:5. A 5.9 µC charge is accelerated by a potential difference of -7 V, which makes it go from a velocity of 4.1x10 m/s (left) to a velocity of 9.2x10³ m/s (left). a. Since the particle was traveling to the left, and sped up, what was the direction of the acceleration of the charge, left or right? b. What then must have been the direction of the force on the charge? c. And then what must have been the direction of the electric field in the area? d. Given that you know the electric field has to point from high potential to low potential, is the electron traveling from a low to a high potential, or is it traveling from a high to a low potential? (check that your answer matches with the sign of the given potential difference! If it doesn't match, ask me, I can help you spot what went wrong!) e. Calculate the mass of the particle. [1.22x10-12 kg]
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