Aparticular engine has a power output of 8 kw and an efficiency of 37%. if the engine expels 10994 j of thermal energy in each cycle, find the heat absorbed in each cycle. answer in units of j. b) find the time for each cycle. answer in units of s.

(a) 17450.8 J (B) 1.239 sec

Explanation:

We have given power output =8 KW

Heat expelled = 10994 j

Efficiency =37% = 0.37

(A) We know that efficiency

Heat input =17450.8 J

(B) Work done by the engine is = 17450.8-10994=6456.8 j

Power output is given by 8 KW =8000 W

So time for each cycle is

d is the correct answer

its lower due to the doppler effect.: apex