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lbvjy [14]
3 years ago
15

A motor 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 3

20 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 ]
Mathematics
2 answers:
Degger [83]3 years ago
6 0
Work applied to motor is 320j.
katen-ka-za [31]3 years ago
5 0

Answer:

the answer is 320j

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