moothy1989 moothy1989
  • 17-01-2021
  • Physics
contestada

A car accelerates from rest at 2 m/s2. After 6 seconds, what is the speed of the car?​

Respuesta :

rafaleo84
rafaleo84 rafaleo84
  • 17-01-2021

Answer:

Vf = 12 [m/s]

Explanation:

To solve this problem we must use the following equation of kinematics.

[tex]v_{f}=v_{o}+a*t\\[/tex]

where:

Vf = final velocity [m/s]

Vo = initial velocity =  0 (stars from the rest)

a = acceleration = 2 [m/s²]

t = time = 6 [s]

Now replacing:

[tex]v_{f}=0+2*6\\v_{f}=12[m/s][/tex]

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