Part A: At 7.10 cents per kilowatt-hour, what does it cost to operate a 12.0 hp motor for 7.00 hr ? Part B: At 7.10 cents per kilowatt-hour, what does it cost to leave a 75.0 W light burning 24.0 hours a day?
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Part A: Cost to operate a 12.0 hp motor for 7.00 hr ** Show more…
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At 7.35 cents per kilowatt-hour, (a) what does it cost to operate a 10.0 hp motor for $8.00 \mathrm{~h} ?$ (b) What does it cost to leave a $75 \mathrm{~W}$ light burning 24 hours a day?
$\bullet$ $\bullet$ At 7.35 cents per kilowatt-hour, (a) what does it cost to operate a 10.0 hp motor for 8.00 hr? (b) What does it cost to leave a 75 W light burning 24 hours a day?
A small air compressor operates on a 1.5 hp (horsepower) electric motor for 4 hours a day. How much energy is consumed by the motor daily? Note: 1 hp equals about 750 watts. Answer in units of J. If electricity costs 30 cents, how much does it cost to run the compressor each day? Answer in units of cents.
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