A car travels one complete lap around a circular track at a constant speed of 120 km
Question:
A car travels one complete lap around a circular track at a constant speed of 120 km h−1.
a. If one lap takes 2.0 minutes, show that the length of the track is 4.0 km.
b. Explain why values for the average speed and average velocity are different.
c. Determine the magnitude of the displacement of the car in a time of 1.0 min.
(The circumference of a circle = 2πR, where R is the radius of the circle.)
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Related Book For
Cambridge International AS And A Level Physics Coursebook
ISBN: 9781108859035
3rd Edition
Authors: David Sang, Graham Jones, Gurinder Chadha, Richard Woodside
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