royalakasha12 royalakasha12

13-01-2020
Physics

contestada

Sarah weighs 500 newtons. She climbs a set of stairs 6 meters high. How much work does she do?

Respuesta :

skyluke89 skyluke89

19-01-2020

The work done by Sarah is 3000 J

Explanation:

The work done by Sarah in climbing the set of stairs up is equal to its change in gravitational potential energy, and it is given by:

[tex]W=Fd[/tex]

where:

F is Sarah's weight

d is the vertical distance covered by Sarah

In this problem, we have:

F = 500 N is Sarah's weight

d = 6 m is the vertical distance covered by Sarah

Substituting, we find the work done:

[tex]W=(500)(6)=3000 J[/tex]

Learn more about work:

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