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
Question 2
A ball is thrown horizontally from the top of a building 0.10 km high. The ball strikes the ground at a point 65 m horizontally away from and below the point of release. What is the speed of the ball just before it strikes the ground?
a. 43 m/s
b. 47 m/s
c. 39 m/s
d. 36 m/s
e. 14 m/s