A runner runs 2.5 km in 9 min and then takes 30 min to walk back to
Question:
A runner runs 2.5 km in 9 min and then takes 30 min to walk back to the starting point.
(a) What is the runner’s average velocity for the first 9 min?
(b) What is the average velocity for the time spent walking?
(c) What is the average velocity for the whole trip?
(d) What is the average speed for the whole trip?
Take the direction of running as the positive direction.
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a Equation 22 v av 25 km 9 min1 h60 min ...View the full answer
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Fundamentals of Ethics for Scientists and Engineers
ISBN: 978-0195134889
1st Edition
Authors: Edmund G. Seebauer, Robert L. Barry
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