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Author Question: Which of the following statements is a true statement? A) A vector can have positive or negative ... (Read 82 times)

luvbio

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on: Jul 29, 2018
Which of the following statements is a true statement?
 
  A) A vector can have positive or negative magnitudes.
  B) A vector's magnitude cannot be more than the magnitude of one of its components.
  C) A vector's magnitude cannot be less than the sum of the magnitude of its components.
  D) If the x-component of a vector is smaller than its y-component then that vector is in the opposite direction to its y-component.
  E) The magnitude of a vector cannot be zero unless all of its components are zero.

Question 2

Three masses are positioned as follows: 2.0 kg at (0, 0); 2.0 kg at (2, 0); and 4.0 kg at (2,1). Determine the coordinates of the center of mass.
 
  What will be an ideal response?


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phuda

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

E

Answer to Question 2

(1.5, 0.5)


luvbio

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Reply 2 on: Jul 29, 2018
Excellent

shewald78

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Reply 3 on: Yesterday
Gracias!

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