makhiken09 makhiken09

25-01-2021
Physics

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Final Exam
5 seconds after starting from rest, a car is moving at 45 m/s. What is the car's average acceleration?

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sc3456692 sc3456692

25-01-2021

Time= 5 sec

Initial velocity(u)= 0

Final velocity( v)=45 m\s

Accleration(a)=?

We have,

[tex]a = \frac{v - u}{t} [/tex]

[tex]a = \frac{45 - 0}{5} [/tex]

[tex]a = \frac{45}{5} [/tex]

a=9m\s

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