Your teacher's car can go from rest to 25 m/s (≈55 mph) in 10 seconds. the car's velocity changes at a uniform rate. below is a quantitative velocity vs time graph that represents the motion of the car. determine the acceleration of the car.

Recall this kinematic equation:

a =

This equation gives the acceleration of the object assuming it IS constant (the velocity changes at a uniform rate).

a is the acceleration.

Vi is the initial velocity.

Vf is the final velocity.

Δt is the amount of elapsed time.

Given values:

Vi = 0 m/s (the car starts at rest).

Vf = 25 m/s.

Δt = 10 s

Substitute the terms in the equation with the given values and solve for a:

a =

need to see circuit to get time constant

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