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Author Question: A particle (q = 4.0 mC, m = 50 g) has a velocity of 25 m/s in the positive x direction when it first ... (Read 240 times)

cartlidgeashley

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on: Jul 28, 2018
A particle (q = 4.0 mC, m = 50 g) has a velocity of 25 m/s in the positive x direction when it first enters a region where the electric field is uniform (60 N/C in the positive y direction). What is the speed of the particle 5.0 s after it enters this region?
 a. 49 m/s
  b. 35 m/s
  c. 32 m/s
  d. 44 m/s
  e. 24 m/s

Question 2

A particle (q = 3.0 mC, m = 20 g) has a speed of 20 m/s when it enters a region where the electric field has a constant magnitude of 80 N/C and a direction which is the same as the velocity of the particle. What is the speed of the particle 3.0 s after it enters this region?
 a. 68 m/s
  b. 44 m/s
  c. 56 m/s
  d. 80 m/s
  e. 36 m/s


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Gabe

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


cartlidgeashley

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  • Posts: 572
Reply 2 on: Jul 28, 2018
Excellent

xiazhe

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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