A runner covers one lap of a circular track 400m in
A runner covers one lap of a circular track 40.0m in diameter in 63.5s
a) average speed for that lap?
b) average velocity for that lap?
c) If she covered the first half-lap in 28.6s , what was her average speed for that half-lap?
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A runner covers one lap of a circular track 40.0m in diameter in 63.5s, what was her average speed for that half-lap
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