Two objects with masses m1 and m2 are moving along the x - axis in the positive direction with speed ν1 and ν2, respectively, where ν1 is less than ν2. The speed of the center of mass of this system of two bodies is

Engineering

Physics

Center of Mass

Momentum and Energy Conservation for System of Particles

Summation of Vectors

Question

Two objects with masses m₁ and m₂ are moving along the x - axis in the positive direction with speed ν₁ and ν₂, respectively, where ν₁ is less than ν₂. The speed of the center of mass of this system of two bodies is

equal to ν₁

greater than v₁ and less than v₂.

less then ν₁.

equal to the average ν₁ and ν₂

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$v_{CM} = \frac{m_{1} v_{1} + m_{2} v_{2}}{m_{1} + m_{2}} > \frac{m_{1} v_{1} + m_{2} v_{1}}{m_{1} + m_{2}}$

$m and \frac{dT}{dt} = k (T_{0}^{4} - T^{4})$ .