Tai? Yes, Randy? I don't think we're going as fast as we were...

Two figure skaters are approaching the center of the ice during a figure skating pairs event. The first, an 80 kg man, is traveling north at 8 m/s. His partner, a 60 kg woman is traveling east, also at 8 m/s. When they meet, the man picks up the woman in a lift and they move off together. What is their final speed in m/s?

Details and assumptions

  • You may neglect any drag forces or friction.
  • Neither figure skater pushes on the ice to accelerate themselves during the lift. They just glide.
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