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A truck is traveling 20m/s accelerates 3 m/s^2 for 4 seconds how far did it travel while it was accelerating. Using guess method

User Jerdak
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1 Answer

3 votes


\huge\underline\bold\blue{ƛƝƧƜЄƦ}

Given


\blue\star v = 20m\s


\blue\star a = 3m\s^2


\blue\star t = 4sec

Firstly we have to find u


\star
a =
(v - u)/(t)


\star 3m\s =
(20 - u)/(4)


\star12m\s = 20 - u


\star20 - u = 12m\s


\star- u = -8


\star u = 8

Now we can easily find distance by using second equation of motion


\red\stars = ut + 1\2 at^2


\red\stars = 8(4) + 1\2(3)(16)


\red\stars = 32 + 24


\red\stars = 56

So distance is 56 m\s hope it helps

User Selllikesybok
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