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3 Conservation of energy

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Question 27

During one sorting cycle, a parcel conveyor transfers 490 J of energy usefully and dissipates 210 J.

What is the efficiency of the conveyor during the cycle?

[1]
A

43%43\%43%

B

57%57\%57%

C

70%70\%70%

D

30%30\%30%

Markscheme

3 Conservation of energy Questions

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

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