Gretchen runs the first 4.0 km of a race at 5.0 m/s. Then a stiff wind comes

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Gretchen runs the first 4.0 km of a race at 5.0 m/s. Then a stiff wind comes up, so she runs the last 1.0 km at only 4.0 m/s. If she later ran the same course again, what constant speed would let her finish in the same time as in the first race?

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College Physics A Strategic Approach

ISBN: 9780134779218

4th Edition

Authors: Randall D. Knight, Brian Jones

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Question Posted: Mar 30, 2024 01:02 AM

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Gretchen runs the first 4.0 km of a race at 5.0 m/s. Then a stiff wind comes

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To find the total time it took for Gretchen to complete the race in the first scenario we calculate ...View the full answer

College Physics A Strategic Approach

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