Suppose that 5 people sitting in a enclosed room are each generating about 500 BTUs of body heat per hour. If the room is 10 ft x
15 ft x 10 ft, how many BTUs per cubic foot do they produce in 3 hours?
5 BTUs/ft?
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B)
8 BTU/ft
11 BTUs/ft
33)
A hot air balloon is tethered to a 100 meter rope with no slack. The balloon is 70 meters above the ground What is the angle of
elevation? (to the nearest tenth)