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The mechanical power output of an electric motor is 3.40 hp. The motor is connected to a 120 v source and is 94.0% efficient in converting power that it takes in by electrical transmission into mechanical power. Determine the following. (a) current (in A) delivered to the motor (b) energy (in MJ) delivered to the motor by electrical transmission in 3.70 h of operation (c) the cost to run the motor (in dollars) for 3.70 h, if the electric company charges $0.110/kWh

The mechanical power output of an electric motor is 3.40 hp. The motor is connected to a 120 v source and is 94.0% efficient in converting power that it takes in by electrical transmission into mechanical power. Determine the following. (a) current (in A) delivered to the motor (b) energy (in MJ) delivered to the motor by electrical transmission in 3.70 h of operation (c) the cost to run the motor (in dollars) for 3.70 h, if the electric company charges $0.110/kWh

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The mechanical power output of an electric motor is 3.40 hp. The motor is connected to a 120 V source and is 94.0% efficient in converting power that it takes in by electrical transmission into mechanical power. Determine the following: (a) Current (in A) delivered to the motor [Input Box] A (b) Energy (in MJ) delivered to the motor by electrical transmission in 3.70 h of operation [Input Box] MJ (c) The cost to run the motor (in dollars) for 3.70 h, if the electric company charges $0.110/kWh [Input Box] $
Transcribed Image Text:The mechanical power output of an electric motor is 3.40 hp. The motor is connected to a 120 V source and is 94.0% efficient in converting power that it takes in by electrical transmission into mechanical power. Determine the following: (a) Current (in A) delivered to the motor [Input Box] A (b) Energy (in MJ) delivered to the motor by electrical transmission in 3.70 h of operation [Input Box] MJ (c) The cost to run the motor (in dollars) for 3.70 h, if the electric company charges $0.110/kWh [Input Box] $
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