lizjurkovich lizjurkovich

20-03-2021
Physics

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A group of particles of total mass 48 kg has a total kinetic energy of 320 J. The kinetic energy relative to the center of mass is 80 J. What is the speed of the center of mass?

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satashinakumoto satashinakumoto

20-03-2021

K=.5mv^2 + relative Ke
320=.5(48)v^2+80
V=3.16

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