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At 2.5 seconds, the helicopter has a kinetic energy of 20 j. what is it mechanical energy at that time?
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Nasa scientists must work together to make sure that everything is correct and accounted for when launching a shuttle. besides a physicist, what other type of scientist would be in making sure that the shuttle has the appropriate type and amount of fuel to reach its destination?
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At 2.5 seconds, the helicopter has a kinetic energy of 20 j. what is it mechanical energy at that ti...
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