Acar starts from rest and accelerates uniformly to reach a speed of 21m/s in 7.0 what was the acceleration of the object?

Acceleration of the object,

Explanation:

It is given that,

Initial speed of the object, u = 0

Final speed of the object, v = 21 m/s

Time taken, t = 7 s

Let a is the acceleration of the object. Using the equation of kinematics as :

v = u + a × t

v = a × t

So, the acceleration of the object is . Hence, this is the required solution.

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