Intro to Center of Mass Video Lessons

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Problem: Consider a system consisting of three particles: m1 = 2 kg, v1  < 10, -5, 12 > m/s m2 = 9 kg, v2 <- 14, 3, -3>m/s m3 = 2 kg, v3 <- 23, 37, 20 > m/s vCM = (-11.7, 7.0, 2.85) m/sWhat Is the translational kinetic energy of this system? Ktrans = J

FREE Expert Solution

Kinetic energy:

K=12mv2

3D vector magnitude:

|v|2=vx2+vy2+vz2

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Problem Details

Consider a system consisting of three particles: 

m1 = 2 kg, v1  < 10, -5, 12 > m/s 

m= 9 kg, v<- 14, 3, -3>m/s 

m= 2 kg, v<- 23, 37, 20 > m/s 

vCM = (-11.7, 7.0, 2.85) m/s

What Is the translational kinetic energy of this system? 

Ktrans = J

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