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A race car starts at rest and accelerates north at 12.27 m/s2 for 3.19 seconds. What
is the car's final velocity?

Respuesta :

Final velocity is equal to initial velocity plus at (where a is acceleration and t is time), so Vf = Vi + at

Using that formula;

Vf = 0 + 12.27(3.19)

Vf = 39.14 m/s

Note: you started from rest, so your initial velocity is 0.
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