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gogolik [260]
3 years ago
7

The equation f = v + 80 represents the final velocity of an object, f, with an initial velocity, v, and an acceleration rate, a,

overtime, t.
Which is an equivalent equation solved for t?
.
.
.
A) t = f - v/a
B) t = f - a/v
C) a(f - v)
D) v(f - a)​
Mathematics
1 answer:
shusha [124]3 years ago
4 0

Answer:

  A)  t = (f -v)/a

Step-by-step explanation:

Undo the operations done to t, in reverse order. Here, t is multiplied by "a" then the product is added to v.

To solve for t, first you undo the addition of v by subtracting v from both sides of the equation.

  f = v + at

  f - v = at . . . . . subtract v

Then you undo the multiplication by "a" by dividing both sides of the equation by "a":

  (f - v)/a = t . . . . . . sort of matches choice A

_____

Please note that the parentheses are required. f -v/a is something quite different. If this is typeset, the fraction bar does the grouping. If it is written in plain text, parentheses are required for grouping.

t=\dfrac{f-v}{a}

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