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Author Question: Three particles are placed in the xy plane. A 30-g particle is located at (3, 4) m, and a 40-g ... (Read 191 times)

ericka1

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on: Jul 28, 2018
Three particles are placed in the xy plane. A 30-g particle is located at (3, 4) m, and a 40-g particle is located at (-2, -2) m. Where must a 20-g particle be placed so that the center of mass of the three-particle system is at the origin?
 a. (-3, -1) m
  b. (+1, +3) m
  c. (+3, -1) m
  d. (-1, -3) m
  e. (-0.5, -2) m

Question 2

Three particles are placed in the xy plane. A 40-g particle is located at (3, 4) m, and a 50-g particle is positioned at (-2, -6) m. Where must a 20-g particle be placed so that the center of mass of this three-particle system is located at the origin?
 a. (-1, -3) m
  b. (-1, 2) m
  c. (-1, 12) m
  d. (-1, 7) m
  e. (-1, 3) m


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ecox1012

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

E

Answer to Question 2

D


ericka1

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Reply 2 on: Jul 28, 2018
Excellent

triiciiaa

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Reply 3 on: Yesterday
Wow, this really help

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