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Author Question: For a furnace to provide 50,000 Btu/hr of thermal energy to a living space, what should the rate of ... (Read 57 times)

tatyanajohnson

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on: Jul 28, 2018
For a furnace to provide 50,000 Btu/hr of thermal energy to a living space, what should the rate of heat supplied by the fuel if the furnace efficiency is 75?
 a. 25,000 b. 37,000 c. 50,000 d. 67,000 e. 125,000 Btu/hr

Question 2

A rifle is aimed horizontally toward the center of a target 0.10 km away, but the bullet strikes 10 cm below the center. Calculate the velocity of the bullet just as it emerges from the rifle.


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diana chang

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Reply #1 on: Jul 28, 2018
Answer to Question 1

d

Answer to Question 2

700 m/s


tatyanajohnson

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Reply 2 on: Jul 28, 2018
Excellent

bigcheese9

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Reply 3 on: Yesterday
Wow, this really help

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