Answered: A car is traveling east at 20 m/s.…

A car is traveling east at 20 m/s. After 12 s its velocity is 14 m/s in the same direction. Find the magnitude and direction of the car's average acceleration.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter6: Motion In Two Dimensions

Section: Chapter Questions

Problem 5STP

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Concept explainers

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.

Question

A car is traveling east at 20 m/s. After 12 s its velocity is 14 m/s in the same direction. Find the magnitude and direction of the car's
average acceleration.
0.50 m/s 2, west
0.30 m/s 2, east
0.30 m/s 2, west
0.50 m/s 2, east

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