Multiple Choice
A typical automobile consumes about 70 kW of power from the gas tank. How many 100- watt light bulbs could this light up, if the energy were used to light electric bulbs rather than to run the car?
A) 7 bulbs
B) 7000 bulbs
C) 700 bulbs
D) 70 bulbs
E) This question cannot be answered without knowing the amount of time the car is being driven at this power.
Correct Answer:
Verified
Correct Answer:
Verified
Q29: The main limitation on the efficiency of
Q30: Which one of the following is responsible
Q31: A block of wood slides to a
Q32: Suppose an car engine could be made
Q33: Large curved cooling towers can often be
Q35: What is the efficiency of a heat
Q36: According to the second law of thermodynamics,<br>A)
Q37: Which of the following would be "exponential"
Q38: The "law of heat flow" is one
Q39: Country X increases its population by 5%