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3 Conservation of energy

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Question 61
F

A machine has an efficiency of 60%. Each completed operation transfers 90 J usefully.

How much total energy is supplied to the machine for four operations?

[1]
A

216 J216\ \mathrm{J}216 J

B

360 J360\ \mathrm{J}360 J

C

600 J600\ \mathrm{J}600 J

D

150 J150\ \mathrm{J}150 J

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3 Conservation of energy Questions

  1. GCSE
  2. /Physics
  3. /3 Conservation of energy

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