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Friends Mercedes and Kaandra are working out together at the 400 m track. Kaandra can do...

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Physics

Friends Mercedes and Kaandra are working out together at the 400m track. Kaandra can do the 1600 m in a blazing 5 minutes and 30seconds. Mercedes is significantly slower doing that distance in 7minutes. The women decide to have a race going twice around thetrack. To make it more competitive Kaandra gives Mercedes a 100 mhead start (i.e. Mercedes only runs 700 m). Who wins, by how muchtime?

Answer & Explanation Solved by verified expert
4.0 Ratings (601 Votes)
Step 1 Find average running speed of both friends V1 speed of Kaandra distancetime taken 1600 m in 5 min 30 sec So d 1600 m and t 330 sec V1 1600330 ms 485 ms V2 speed of    See Answer
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