A car travels up a hill at the constant speed of 40 km h and returns down the hill at the speed of 60 km h Calculate the average speed for the round trip A car travels up a hill at the constant speed of 40 km h and returns down the hill at the speed of 60 km h Calculate the average speed for the r...

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A car travels up a hill at the constant speed of 40 km/h and returns down...

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Fundamentals of Physics

ISBN: 978-0471758013

8th Extended edition

Authors: Jearl Walker, Halliday Resnick

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