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Momentum Presentation Unnamed #03 (Slide 43)

A 40 kg girl skates at 5.5 m/s on ice toward her 70 kg friend who is standing still, with open arms. As they collide and hold each other, what is the speed of the couple?These videos are part of a unit of instruction created by NJCTL. Students and teachers can find additional free instruction on this topic at the site listed below. This includes the full unit presentation, homework with solutions, and assessments (teachers only).Momentum Presentation - http://njctl.org/courses/science/algebra-based-physics/energy/work-and-energy-presentation-2/
Length: 01:40

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