February 27, 2017

Homework Help: physics

Posted by Natasha on Friday, January 20, 2012 at 12:53pm.

An 18-year-old runner can complete a 10.0 km course with an average speed of 4.58 m/s. A 50-year-old runner can cover the same distance with an average speed of 4.36 m/s. How much later (in seconds) should the younger runner start in order to finish the the course at the same time as the older runner?

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