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dyhji
12.09.2021 •
Mathematics
A cabinet has shelves that are 11 1/2 in. apart. On one shelf, mike stacked a VCR that is 5 1/4 in. high on top of an amplifier that is 3 3/8 in. high. How much space is left above the VCR?
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Ответ:
Yes, fan will provide enough airflow in the ranger station.
Step-by-step explanation:
A ranger station consist of a rectangular pyramid and a rectangular prism.
So volume of air in ranger station = volume of prism + volume of a pyramid
Volume of a rectangular prism = Length×Width×height
= 10×8×8 = 640 ft³
Volume of the pyramid =![\frac{1}{3}(\text{area of the base)(height)}](/tpl/images/0967/6406/dec5b.png)
=![\frac{1}{3}(10)(8)(3)](/tpl/images/0967/6406/306d0.png)
= 80 ft³
Total volume of the ranger station = 640 + 80 = 720 ft³
Since CFM has the airflow capacity of 1500 cubic feet per minute so one CFM will be sufficient for the volume of 720 ft³.