At time t = 0, force F1 = (-6.31î + 6.70f) N acts on an initially stationary particle of mass 3.21 × 10 kg and force F2 = (2.69î – 4.74) N acts on an initially stationary particle of mass 3.00 x 103 kg. From time t= 0 tot = 4.46 ms, what are the (a) magnitude and (b) angle (relative to the positive direction of the x axis) of the displacement of the center of mass of the two-particle system? (c) What is the kinetic energy of the center of mass at t= 4.46 ms?

College Physics
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
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At time t = 0, force F1= (-6.31î + 6.70f) N acts on an initially stationary particle of mass 3.21 x 103 kg and force
F2 = (2.69î – 4.74) N acts on an initially stationary particle of mass 3.00 x 103 kg. From time t = 0 to t = 4,46 ms, what are the
(a) magnitude and (b) angle (relative to the positive direction of the x axis) of the displacement of the center of mass of the two-particle
system? (c) What is the kinetic energy of the center of mass at t= 4.46 ms?
(a) Number
i
Units
(b) Number
i
Units
(c) Number
i
Units
Transcribed Image Text:At time t = 0, force F1= (-6.31î + 6.70f) N acts on an initially stationary particle of mass 3.21 x 103 kg and force F2 = (2.69î – 4.74) N acts on an initially stationary particle of mass 3.00 x 103 kg. From time t = 0 to t = 4,46 ms, what are the (a) magnitude and (b) angle (relative to the positive direction of the x axis) of the displacement of the center of mass of the two-particle system? (c) What is the kinetic energy of the center of mass at t= 4.46 ms? (a) Number i Units (b) Number i Units (c) Number i Units
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