A particular heat engine has a mechanical power output of 4.00 kW and an efficiency of 26.0%. The engine expels 8.55 103 J of exhaust energy in each cycle. (a) Find the energy taken in during each cycle. kJ (b) Find the time interval for each cycle. s

To develop the problem we will start by finding the energy taken by each cycle through the efficiency of the motor and the exhausted energy. Later the work will be found for the conservation of energy in which this is equivalent to the difference between the two calculated energy values. Finally the estimated time will be calculated with the work and the power given,

PART A)

Work done by the heat engine in each cycle = W

According to the value given we have that,

Power is defined as the variation of energy as a function of time therefore,

Therefore the interval for each cycle is 0.75s

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- to sway the parliament how shattering it could be if they proceeded discourteously concerning her or her child.