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Author Question: Two displacement vectors have magnitudes of 5.0 m and 7.0 m, respectively. If these two vectors are ... (Read 137 times)

a0266361136

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on: Jul 29, 2018
Two displacement vectors have magnitudes of 5.0 m and 7.0 m, respectively. If these two vectors are added together, the magnitude of the sum
 
  A) is equal to 2.0 m.
  B) could be as small as 2.0 m or as large as 12 m.
  C) is equal to 12 m.
  D) is equal to 8.6 m.

Question 2

A +5.00-C point charge is placed at the 0.0 cm mark of a meter stick and a -4.00-C point charge is placed at the 50.0 cm mark. At what point on a line through the ends of the meter stick is the electric field equal to zero?
 
  A) 1.4 m from the 0 cm mark
  B) 2.5 m from the 0 cm mark
  C) 2.9 m from the 0 cm mark
  D) 3.3 m from the 0 cm mark
  E) 4.7 m from the 0 cm mark


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matt95

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Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

E


a0266361136

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Reply #2 on: Jul 29, 2018
Thank you!


matt95

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Reply #3 on: Jul 29, 2018
Always glad to help...


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