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The work done in lifting a 30 kg set of bricks to a height of 2ms is?
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A900 kg roller coaster car is travelling westward on the track and begins to slow down from 18m/s to 2m/s. how long does it take the roller coaster car to decelerate if the force acting on the car to slow it is 7024n? how far does the roller coaster travel during this time?
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An observer that stands still as the electron moves by him, will observe
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The work done in lifting a 30 kg set of bricks to a height of 2ms is?...
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