Mando760 Mando760
  • 20-01-2018
  • Physics
contestada

A 77.0 kg firefighter climbs a flight of stairs 8.0 m high. how much work is required? 0 incorrect: your answer is incorrect. j

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Kalahira
Kalahira Kalahira
  • 02-02-2018
6160 joules

    to lift 1 newton 1 metre requires 1 joule
 there are 10 newtons in one kilo

    so 77(kg) x 8 (metres) x 10 (newtons/kilo) = 6160 joules
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