When the light turns green, John accelerates straight down the road at 1.8 m/s for 8 seconds. What is his final velocity at the end of those 8 seconds

Respuesta :

Acceleration is the rate of change of velocity over time

His final velocity is 14.4 meters per second

How to determine the final velocity

From the question, we have:

  • Initial velocity: u = 0 m/s
  • Time = 8 seconds
  • Acceleration = 1.8 m/s^2

Using the first equation of motion, we have:

[tex]v = u + at[/tex]

So, the equation becomes

[tex]v = 0 + 1.8 * 8[/tex]

[tex]v =14.4[/tex]

Hence, the final velocity is 14.4 meters per second

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