odessakralyp74s4t odessakralyp74s4t
  • 01-05-2018
  • Mathematics
contestada

a furnace is rated 4000 BTU per hour. How many foot pounds of energy are released in one hour?

- 5.1 foot pounds

- 2,456,000 foot pounds

- 0.2 foot pounds

- 3,112,000 foot pounds

Respuesta :

cerverusdante
cerverusdante cerverusdante
  • 10-05-2018
To solve this we are going to use a conversion factor. We know that 1 BTU per hour is approximately 778 foot-pounds of energy per hour, so our conversion factor will be: [tex] \frac{778foot-pound}{1BTU} [/tex].

Now we just need to multiply 4000 BTU by our conversion factor:
[tex]4000BTU*\frac{778foot-pound}{1BTU}=3112000foot-pound[/tex]

We can conclude that the furnace released 
3,112,000 foot pounds of energy in one hour.
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