For a fossil fueled electrical generating plant, 10,000 Btu of chemical energy into the plant will result in about how many Btu's of waste heat dumped into the environment:
a. 0 b. 1000 c. 4000 d. 6000 e. 10,000 Btu's
d
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The Wasatch Mountains in Utah are examples of ______________ mountains
Fill in the blank(s) with correct word
Velocity: A motorist makes a trip of 180 miles. For the first 90 miles she drives at a constant speed of 30 mph. At what constant speed must she drive the remaining distance if her average speed for the total trip is to be 40 mph?
A. 45 mph B. 50 mph C. 52.5 mph D. 55 mph E. 60 mph
If the current density in a wire or radius R is given by J = kr, 0 < r < R, what is the current in the wire?
A) 2?kR3/3 B) 3?kR3/2 C) kR3/3 D) kR2 E) kR2/2
The cabin pressure of a passenger jet cruising at high altitude (30,000 ft) is about 1 atm. and the pressure outside is about 0.3 atm. What is the outward force on a window measuring 1 foot by 1 foot
a. 10.3 lb b. 100.3 lb c. 1,000.3 lb d. 1,481.8 lb e. 2,116.8 lb