please show how to solve part a,b, and c problem. Please go step by step. Proble
ID: 1879776 • Letter: P
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please show how to solve part a,b, and c problem. Please go step by step.
Problem 15.28 If the engine runs at 25 cycles per second (1500 rpm), determine the work done per second Express your answer to two significant figures and include the appropriate units. Constants A four-cylinder gasoline engine has an,efficiency of 22 % and delivers 280 J of work per cycle per cylinder W 28000 Submit Previous Answers Request Answer XIncorrect: Try Again; 4 attempts remaining Your answer does not have the correct dimensions Part B What is the total heat input per second from the gasoline Express your answer to two significant figures and include the appropriate units.Explanation / Answer
A)
Work, W = 280 x 25 x 4 = 28000 J/s
B)
Heat, Q = W/n = 28000/0.22 = 127272.73 J
C)
Time, t = (130 x 10^6)/127272.73 = 1021.43 sec
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