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Author Question: If electric energy costs 7 cents per kilowatt hour, how much would it cost to operate a 4.5-KW water ... (Read 61 times)

trevg

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on: Nov 27, 2023

Question 1

Hydrogen-oxygen fuel cell vehicles only emit:


◦

water.


◦

calcium.


◦

carbon monoxide.


◦

carbon dioxide.



Question 2

If electric energy costs 7 cents per kilowatt hour, how much would it cost to operate a 4.5-KW water heater for 1 hour each day for 30 days?  


◦

$12.92


◦

$9.45


◦

$23.40


◦

$28.14

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Marked as best answer by trevg on Nov 27, 2023

hillard sane

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Reply #1 on: Nov 27, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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trevg

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Reply 2 on: Nov 27, 2023
Wow, this really help

ricroger

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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