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Hunter-Best [27]
3 years ago
8

The formulas for power and work are P= W/t and W=Fd, where P is the power, W is the work done, t is the time, F is the force, an

d d is the displacement. Which formula represents the relationship between displacement and power?
A.) d= Pt/F
B.) d= P/Ft
C.) d= PF/t
D.) d= F/Pt
Mathematics
2 answers:
cricket20 [7]3 years ago
6 0

Answer:

A


Step-by-step explanation:

  • First equation is P=\frac{W}{t}, and
  • Second equation is W=Fd

Since we want to make d the subject, we put second equation into 1st equation<em> [W of 2nd equation into W of 1st equation]</em>. We have:

P=\frac{Fd}{t}

<em>Cross multiplying the solving for d gives us:</em>

P=\frac{Fd}{t}\\Pt=Fd\\d=\frac{Pt}{F}


Choice A is the correct one.

Korolek [52]3 years ago
5 0
W=Fd

d=F/W  

P=W/t so W=Pt using the W in the above gives you:

d=F/(Pt)
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