A boy of mass 10kg climb a step of 0.2m in 20 seconds
Calculate the power of the boy
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Provided that:
• Mass of the boy = 10 kg
• Height of the steps = 0.2 m
• Time taken = 20 seconds
To calculate:
• Power of the boy
Solution:
• Power of the boy = 1 Watts
Using concept:
• Power formula
Using formula:
• Power = Work done/Time taken
Required solution:
→ Power = Work done/Time taken
→ Power = mgh/t
→ Power = 10 × 10 × 0.2 / 20
→ Power = 10 × 2 / 20
→ Power = 20 / 20
→ Power = 1 Watts
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