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What is the maximum horizontal force that bolt feet

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Reference no: EM132621700

I) The world's fastest person is Usain Bolt (94 kg) of Jamaica: 9.58 s 100-m dash.

1. Assume that the coefficient of friction between Bolts shoes and the track is 0.885

What is the maximum horizontal force that Bolt's feet can apply to the track?

What is the work done by Bolt's feet on the track during 100 m dash?

2. Bolt's mechanical efficiency is 25%; i.e., Bolt can convert 25% of the chemical energy stored in his body into the work energy needed to run (e.g., Bolt converts 100 j of stored chemical energy into 25 J of mechanical work). How much chemical energy does Bolts expend during his 100-m dash?

3. How is the chemical energy expended by Bolt related to his power output? How might the energy expended by Bolt be related to any of his physiological parameters?

4. What is the average kinetic energy of Bolt during 100-m dash?

How does this compare with the work done by Bolt's feet?

What other forces should be considered? Do they do work during Bolt's run?

Reference no: EM132621700

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