SavyBreyer
27.01.2020 •
Physics
Abackhoe lifts 22,000 newton 's of steel a distance of 15m in 44 second. how much power did the crane require to lift the girder.
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Ответ:
7500 W
Explanation:
First of all, we need to find the work done by lifting the steel. This is given by
where:
F = 22,000 N is the force applied
d = 15 m is the displacement of the steel
Solving the equation,
Now we can find the power of the crane, which is given by
where
W is the work done
t = 44 s is the time elapsed
Substituting into the formula,
Ответ:
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