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A machine has an efficiency of 91%. If the energy supplied tothe machine is 4000
How much time should be allowed for a 392-km car trip if the carwill be travelin
September 15, 2020When an automotive battery is fully charged the sulfuric acidand water mixture w
September 15, 2020A machine has an efficiency of 91%. If the energy supplied tothe machine is 4000 wattswhat is the amount being used for work?
