Kristen decides to go sledding with her sister Mary after a huge
snowstorm. Kristen has a mass of 50kg and Mary has a mass of 57.5kg.
Both sisters take turns, pushing each other down the large hill. The free
diagram shows the forces acting on the sled. If the sled has a mass of
5kg, and each sister rides the sled with the same forces, what is the rate
of acceleration for both Kristin and Mary?
Answers: 2
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Kristen decides to go sledding with her sister Mary after a huge
snowstorm. Kristen has a mass of 5...
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