nijahrogers200 nijahrogers200
  • 10-07-2019
  • Physics
contestada

to find power we need to determine?

Respuesta :

skyluke89
skyluke89 skyluke89
  • 11-07-2019

Answer:

Work and time needed to the work

Explanation:

Power is defined as follows:

[tex]P=\frac{W}{t}[/tex]

where

P is the power

W is the work done

t is the time needed to do the work

Since the work can also be rewritten as the product between force (F) and displacement (d):

W = F d

The power can be also rewritten as

[tex]W=\frac{Fd}{t}[/tex]

But [tex]\frac{d}{t}[/tex] is equal to the velocity, v; so, power can be rewritten as product between force and velocity:

[tex]P=Fv[/tex]

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