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What is the acceleration of the car during this 4.0-second interval?
A car having an initial velocity of 12 meters per second east slows uniformly to 2 meters per second east in 4.0 seconds.

What is the acceleration of the car during this 4.0-second interval? 

<br/>A car having an initial velocity of 12 meters per second east slows uniformly to 2 meters per second east in 4.0 seconds.

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A. 2.5 m/s2 west
B. 2.5 m/s2 east
C. 6.0 m/s2 east
D. 6.0 m/s2 west

This question is part of Velocity and Acceleration Quiz
Asked by Bilbojaggens, Last updated: Jan 27, 2020

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3 Answers

k.Paul

K.Paul

Answered Dec 11, 2017

Acceleration can be measured or calculated by plugging the numbers gathered into the acceleration formula. It is final velocity minus initial velocity and then divides that number by the time. Velocity is measured in meters per second and time is measured in seconds. Acceleration is measured in meters per second squared. To find the answer to the problem, you first need to s...Read More
 

John Adney

John Adney

Answered Sep 28, 2017

Based on the equation used to calculate acceleration, it should be a 2.5 m/s2 west.

 

John Smith

John Smith

Answered Oct 24, 2016

2.5 m/s2 west
 1

John Adney

John Adney

Replied on Jun 04, 2017

Yes, I totally agree with your answer. It should be 2.5 m/s2 west.

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