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8 Energy – forces doing work

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Question 69
F

The table gives results for four machines.

MachineUseful work done in JTime taken in s
W6003.0
X8005.0
Y9004.0
Z12006.0

Which machine has the greatest mean useful power output?

[1]
A

X

B

W

C

Y

D

Z

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8 Energy – forces doing work Questions

  1. GCSE
  2. /Physics
  3. /8 Energy – forces doing work

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