Multiple Choice
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 centre 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
Correct Answer:

Verified
Correct Answer:
Verified
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