Acceleration 58021

The runner reaches a speed of 30 km/h after 3 seconds from the start. Determine its acceleration.

Correct answer:

a =  2.7778 m/s2

Step-by-step explanation:

v=30 km/h m/s=30:3.6  m/s=8.33333 m/s t=3 s  v = at  a=v/t=8.3333/3=2.7778 m/s2

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