test-energy

Question 1

48. m= 153,00/(136)(108-18)
    m= 153,00/136(90)
    m= 153,00/12,240
    m= 12.5 kg

Answer 1

m=12.5 kg

Question 2

The sum of kinetic energy and potential energy within a system is called…

Answer 2

mechanical energy

C2 notes pg 11

Question 3

When oil is burned to produce electricity the electrical energy produced is less than the potential energy in the oil. Which best explains this observation?

Answer 3

Some of the potential energy in oil is converted into forms of energy other than electricity

C2 Notes pg.10 and 11