An automobile travels on a straight road for 40 km at 30 km/h. It then continues in
Question:
An automobile travels on a straight road for 40 km at 30 km/h. It then continues in the same direction for another 40 km at 60 km/h.
(a) What is the average velocity of the car during this 80 km trip? (Assume that it moves in the positive x direction.)
(b) What is the average speed?
(c) Graph x versus t and indicate how the average velocity is found on the graph.
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We use Eq 22 and Eq 23 During a time t c when the velocity remains a positive constant speed is eq...View the full answer
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Related Book For
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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