Power and efficiency

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Question 10
Easy

Three students, X, Y, and Z, climbed a vertical rope in a PE lesson. The table below shows their results.

StudentWeight in N\text{N}NHeight climbed in m\text{m}mWork done in J\text{J}JTime taken in s\text{s}sPower output in W\text{W}W
X5505.027506.0458
Y5.025005.0500
Z6005.03000375

Use the data in the table for Student Z to calculate the time taken to climb the rope.

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Power and efficiency Questions

  1. GCSE
  2. /Physics
  3. /Power and efficiency