A car starting from rest speeds up to 12m/s with a constant acceleration of 12m/s2. It runs at this speed for a time and finally comes to rest with a deceleration of 1.5m/s2. If the total distance travelled is 365m, find the total time required in seconds.

A car starting from rest speeds up to 12m/s with a constant acceleration of 12m/s2. It runs at this speed for a time and finally comes to rest with a deceleration of 1.5m/s2. If the total distance travelled is 365m, find the total time required in seconds.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter3: Accelerated Motion

Section: Chapter Questions

Problem 93A

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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 car starting from rest speeds up to 12m/s with a constant acceleration of 12m/s². It runs at this speed for a time and finally comes to rest with a deceleration of 1.5m/s². If the total distance travelled is 365m, find the total time required in seconds.

needs free body diagram

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