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A cyclist does 300 J of work to climb a hill. If the height of the hill is 5 m, what is the mass of the cyclist? (g = 9.8 m/s²)

Practice Questions

1 question
Q1
A cyclist does 300 J of work to climb a hill. If the height of the hill is 5 m, what is the mass of the cyclist? (g = 9.8 m/s²)
  1. 6.12 kg
  2. 10 kg
  3. 15 kg
  4. 20 kg

Questions & Step-by-step Solutions

1 item
Q
Q: A cyclist does 300 J of work to climb a hill. If the height of the hill is 5 m, what is the mass of the cyclist? (g = 9.8 m/s²)
Solution: Using Work = mgh; m = Work / (gh) = 300 J / (9.8 m/s² * 5 m) = 6.12 kg.
Steps: 0

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