A petrol engine with an energy efficency of 45 percent produces 1500 joules of mechanucal energy what is the chemical potential energy of petrol?

1 Answer
Anish M.
Mar 25, 2018

3333.3333

Explanation:

At 45% efficiency it produces 1500 Joules of energy.
This means that 1500 joules is 45% of the total possible energy

#(45/100)*x=1500#

#x=1500*(100/45)#

#x=3333.3333#

So theoretically it can produce 3333.33 joules of energy which its chemical potential energy

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