Work Energy And Power Question 274
Question: The energy content of gasoline is . A motor with an efficiency of 20% is needed at fall output power of 45 kW for 50.0 minutes. How many litres of gasoline are required to operate the motor for this amount of time?
Options:
A) 0.31 L
B) 0.38 L
C) 1.6 L
D) 19 L
Show Answer
Answer:
Correct Answer: D
Solution:
[d]