Katrina pushes off a flat sidewalk on her new skateboard.
What causes her to move?
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Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?
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If the new moon happens on january 15th, what shape will it be on february 6th?
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Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.
Answers: 1
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