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An object with total mass mtotal = 16.4 kg is sitting at rest when it explodes...

An object with total mass mtotal = 16.4 kg is sitting at rest when it explodes into three pieces. One piece with mass m1 = 4.7 kg moves up and to the left at an angle of θ1 = 18° above the –x axis with a speed of v1 = 26 m/s. A second piece with mass m2 = 5.2 kg moves down and to the right an angle of θ2 = 23° to the right of the -y axis at a speed of v2 = 20.6 m/s.

5)

What is the magnitude of the velocity of the center of mass of the pieces after the collision?

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