An Electric Motor Produces 2

question 53

Multiple Choice

An electric motor produces 2.0 hp in a V_rms = 120 V circuit.Using 1 hp = 746 W,how long would it take this motor to do 1.0 kWh of work?

• A)0.67 min
• B)0.67 h
• C)1.3 min
• D)1.3 h

Understand and apply basic arithmetic operations (addition, subtraction, multiplication, division) including with fractions and decimals.

Apply mathematical symbols and interpret their meanings in context.

Demonstrate understanding of exponent notation and perform calculations involving powers.

Understand and apply proper rounding techniques.

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