Four particles of masses 4.00kg, 3.00kg, 3.50kg and 5.50kg are located at (4.00,5.00), (3.25, 6.20), (-2.00, 6.50) and (2.50,

Question

Four particles of masses 4.00kg, 3.00kg, 3.50kg and 5.50kg are located at (4.00,5.00), (3.25, 6.20), (-2.00, 6.50) and (2.50, -7.0) respectively.
a) where is the center of mass located?
b) What is the magnitude and direction of center of mass?

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