Afactory employee spends two hours putting together a car part. a machine can do the same job in thirty minutes. which statement best describes the time-effectiveness of this scenario? the employee is four times as time-effective as the machine. the machine is half as time-effective as the employee. the employee is half as time-effective as the machine. the machine is four times as time-effective as the employee.
Answers: 3
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When the displacement of a mass on a spring is 12a the half of the amplitude, what fraction of the mechanical energy is kinetic energy? at what displacement, as a fraction of a, is the mechanical energy half kinetic and half potential?
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Afactory employee spends two hours putting together a car part. a machine can do the same job in thi...
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