bewellplus.gsu.edu
TameraWhittenburg51 TameraWhittenburg51
  • 05-03-2014
  • Physics
Answered

What’s the efficiency of a car that uses 400,000 J of energy from gasoline to make 48,000 J of kinetic

energy?

Verified Answer :

Anonymous Anonymous
  • 05-03-2014

To calculate efficiency you should divide output by input energy.

The engine produces 48000 j energy from 400000 j given energy from gasoline.

48 000/400 000 = 48/400 = 12/100 = 12%

Efficiency of this engine is 12%

Answer Link

Related Questions

what is the pros and cons about uniforms
What are some basic rights guaranteed by the Magna Carta
Which expression has a value of 23 A 7 16 B 3 20 C 10 13 D 18 5 i think A
Balance following equation then classify the reaction as synthesis sdecomposition d single replacement SDdouble replacement DD or combustionc h2O2 H2O Classify
Why do advertisers use testimonials A They provide accurate proven information to inform the consumer B They provide hidden lies that will always misinform the
Meter is used by poets to create A rhythm B nonsense C a message D an analysis
Balance the following formula equation Als CuSo4aq gt Al2So43aq Cus
2x8y6 y7 x what are the coordinates
A companys are the priorities principles and beliefs that guide the company
Whats the answer key to using variables to write expressions