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18-05-2021
Chemistry

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The power of the crane was 68600 W
Caculate the time taken for the crane to do 3430000 J of work
Give the unit

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18-05-2021

Answer:

t = 50 s

Explanation:

P = W/t

Solving for t,

t = W/P = (3430000 J)/(68600 Watts)

= 50 s

Note: 1 Watt = 1 J/s

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