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book Basic Biomechanics 5th Edition by Susan Hall cover

Basic Biomechanics 5th Edition by Susan Hall

النسخة 5الرقم المعياري الدولي: 978-0073044811
book Basic Biomechanics 5th Edition by Susan Hall cover

Basic Biomechanics 5th Edition by Susan Hall

النسخة 5الرقم المعياري الدولي: 978-0073044811
تمرين 15
John and Al are in a 15 km race. John averages 4.4 m/s during the first half of the race and then runs at a speed of 4.2 m/s until the last 200 m, which he covers at 4.5 m/s. At what average speed must Al run to beat John?
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Basic Biomechanics 5th Edition by Susan Hall
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