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A roller coaster cart full of people starts from rest at a position 90.0 m above the ground. Calculate the speed of the roller coaster

  1. A roller coaster cart full of people starts from rest at a position 90.0 m above the ground. Calculate the speed of the roller coaster at B.
  2. Calculate the amount work is done by the engine of a 9000.0 kg truck if it accelerates from 5.0 m/s to 18.0 m/s over a distance of 350.0 m? (4 marks)

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