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14-12-2020
Physics

contestada

What is the acceleration of a car that starts from rest and achieves a speed of 45 m/s in 5 seconds?

Respuesta :

19-12-2020

Answer:

9m/s^2

Explanation:

solution,

Given. Initial velocity (u)=0m/s

Final velocity (v)=45m/s

Time taken(t)=5sec

Acceleration (a)=?

we know,

a=v-u/t

=45-0/5

=45/5

=9m/s^2

Therefore acceleration (a)= 9m/s^2

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