   Chapter 2, Problem 38P

Chapter
Section
Textbook Problem

A car accelerates uniformly from rest to a speed of 40.0 mi/h in 12.0 s. Find (a) the distance the car travels during this time and (b) the constant acceleration of the car.

(a)

To determine
The distance travelled by the car.

Explanation

Given Info: The initial velocity of the car is 0 , the final velocity of the car is 400mi/h , and the time taken by the car to accelerate is 12.0s .

Explanation:

The formula used to calculate the distance travelled by the car is,

Δx=(v0+v2)t

Here,

t is the time

v is the final velocity of the car

v0 is the initial velocity of the car

Δx is the distance travelled by the car

Substitute 0 for v0 , 400mi/h for v , and 12

(b)

To determine
The constant acceleration of the car.

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