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How long does it take for the car to go from 85 m/s to 45 m/s?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter2: Representing Motion

Section2.4: How Fast?

Problem 29PP

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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 –

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A parachute on a racing dragster opens and changes the speed of the car from 85 m/s to 45 m/s allowing it to decelerate at -9 m/s^2. How long does it take for the car to go from 85 m/s to 45 m/s?

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