genesisgraywolves genesisgraywolves

27-08-2019
Physics

contestada

usain bolt can run 100 m in 9.77s. if he ran this fast at a constant speed, how long will it take him to run a mile

Respuesta :

thedemon840 thedemon840

27-08-2019

Answer = 157.2 seconds

If 1 mile = 1609.34 metres

Speed he travelled at..in the 100 metres

100÷9.77 = 10.24 metres/second

Then time taken for 1 mile;

Distance/Speed travelled at.

Time taken = 1609.34 ÷ 10.24

Time = 157.2 seconds

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