Question

what is the acceleration of a sprinter who's finishes the race travelling at 24 M per second if she ran for 12 seconds

Answer 1

acceleration= velocity/time
=24/12
=0.5 m/s^2

hope this helps!

Answer 2

Explanation:

Given

Initial velocity= 24m/s

Final velocity = 0 ( since she is coming to a rest )

time = 12 s

∴ acceleration = final velocity - initial velocity / time

= 0 – 24 / 12

= –24/12

= –2m/s

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