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17 Nov 2021

Given information

The speed of the car at  PM is and at  PM is .

Step-by-step explanation

Step 1.

By assumption, the car’s speed is continuous and differentiable everywhere.

This means we can apply the mean value theorem.

Noting that acceleration is the derivative of speed, the theorem states that at some time between and (nonexclusive),

The car’s acceleration was

 

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Single Variable Calculus: Early Transcendentals
4th Edition, 2018
Stewart
ISBN: 9781337687805

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