A four-cylinder gasoline has an efficiency of 0.25 and delivers 180J of work per cycle per cylinder. The engine fires at 25 cycles persecond.
(a) Determine the work done by second.
(b) What is the total heat input per second form the gasoline?
(c) If the energycontent of gasoline is 130 MJ per gallon, how long does one gallonlast?