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Physics, 27.09.2019 12:00 joel3410

Two kids are roller skating. amy with the mass of 55kg, traveling at 3m/s. jenny who has a mass of 40kg is traveling at 5m/s in the opposite direction. they crash into each other and hold onto each other so now they are skating together, how fast are they traveling? t

m1v1+m2v2=(m1+m2)=v
is the equation needed for this, i need with how to do the steps, it's on my review, and you!

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Two kids are roller skating. amy with the mass of 55kg, traveling at 3m/s. jenny who has a mass of 4...
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