haaarth87 haaarth87

18-11-2018
Physics

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A man has a power of 90 W and mass 60 kg runs up a staircase in 40 s. If each staircase is 20cm high find the number of steps? (physics grade 9- GRAVITATION)

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Aaron5795 Aaron5795

18-11-2018

I showed my working in the images above. if you have any questions please feel free to ask

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