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1.7.4 Power

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Question 22

Two water pumps, Pump A and Pump B, lift the exact same volume of water from a low reservoir up to the same elevated holding tank.

Pump A takes 5.0 minutes5.0\text{ minutes}5.0 minutes to complete the task. Pump B takes 8.0 minutes8.0\text{ minutes}8.0 minutes to complete the task.

Which statement about the pumps is correct?

A

Pump A performs more useful work than Pump B.

B

Pump A develops less useful power than Pump B.

C

Pump A performs less useful work than Pump B.

D

Pump A develops more useful power than Pump B.

Markscheme

1.7.4 Power Questions

  1. IGCSE
  2. /Physics
  3. /1.7.4 Power

95 exam-style questions on CIE IGCSE Physics 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.

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