Lenessa Lenessa

25-08-2015
Physics

Answered

A runner achieves a velocity of 11.1 m/s 9 seconds after he begins. What is his acceleration?

Verified Answer :

25-08-2015

Acceleration = (change in speed) / (time for the change) =

(11.1 m/s - 0 m/s) / (9 sec) = 1.2333... m/s²

That's the magnitude of his acceleration.

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