Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 2 - Motion Along a Straight Line - Problems: 1

Answer

You travel 12.5 metres.

Work Step by Step

It is given that the car is travelling at 90km/hour. Firstly, we must convert this quantity (speed) into metres per second. (m/s). 90km=9000m And 1 hour= 60mins=60*60=3600seconds. Therefore, 90km/h= frac{90\times1000}{3600}= 25 m/s. Distance traversed is given by the product of the speed and the time. Therefore, distance = 25m/s \times 0.5s = 12.5m
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