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.A train brakes from 40 m/s to a stop over a distance of 100 m. a) What is the acceleration of the train? *

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter2: Kinematics

Section: Chapter Questions

Problem 28CQ: (a) Explain how you can determine the acceleration over time from a velocity versus time graph such...

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Concept explainers

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –

Question

1. A train brakes from 40 m/s to a stop over a distance of 100 m.
a) What is the acceleration of the train? *

O 11.5 m/s^2
O -11.5 m/s^2
O 8 m/s^2
O -8m/s^2

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