# Answer on Mechanics | Relativity Question for ASIF ALI

Question #8107

A sprinter reaches his maximum speed in 2.5 seconds from rest with constant acceleration.He mantains

this speed and finishes 100 meters in over all time of 10.40 seconds. find his maximum speed.

this speed and finishes 100 meters in over all time of 10.40 seconds. find his maximum speed.

Expert's answer

V=at

x=at^2/2 <=>100=a*54,08 =>

a=100/54.8

Vmax=a*tmax=100*2.5/54.8=4.57

x=at^2/2 <=>100=a*54,08 =>

a=100/54.8

Vmax=a*tmax=100*2.5/54.8=4.57

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## Comments

Assignment Expert10.04.2012 08:27You're welcome. We are glad to be helpful.

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asif ali09.04.2012 02:12thanx alot

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