NEET Physics Centre of Mass MCQ Question
Two particles with masses m1 = 2 kg and m2 = 3 kg are initially at rest at positions (0, 0) and (4, 0) respectively. If the particles are connected and move together, what is the x-coordinate of their center of mass?
2.4 m
3.0 m
2.0 m
1.5 m
Correct Answer
Detailed Explanation
The x-coordinate of the center of mass is given by (m1x1 + m2x2)/(m1 + m2). Substituting the values, x_cm = (20 + 34)/(2+3) = 2.4 m.
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