Mathematics, 27.01.2020 21:31 ashmarie69

Amotor with an efficiency of 75% must supply 240 j of useful work. what amount of work must be supplied to the motor? j 180 j 320 j 420 ja motor with an efficiency of 75% must supply 240 j of useful work. [ what amount of work must be supplied to the motor? answer is 180j ]

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Amotor with an efficiency of 75% must supply 240 j of useful work. what amount of work must be suppl...

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