Awni B.

asked • 10/14/19

The 100m dash can be run by the best sprinters in 10.0 s.

A 65 kg sprinter accelerates uniformly for the first 50m to reach top speed, which he maintains for the remaining 50 meters.

a) What is the average horizontal component of force exerted on his feet by the ground during acceleration?

b) What is the speed of the sprinter over the last 50m of the race?

1 Expert Answer


Howard J. answered • 10/14/19

4.8 (5)

Principal Mech Engr with 35+ years' on-the-job physics experience

Awni B.

Thank you!


Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.


Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.