qazwsxedcrfv22
qazwsxedcrfv22 qazwsxedcrfv22
  • 01-10-2020
  • Physics
contestada

A car starting from rest accelerates uniformly at 4.3 m/s^2 for 5.0 seconds. How far does the car move?

Respuesta :

rafaleo84
rafaleo84 rafaleo84
  • 01-10-2020

Answer:

Vf = 21.5 [m/s]

Explanation:

To solve this problem we must use the following kinematics equation:

[tex]v_{f}= v_{i} +(a*t)\\[/tex]

where:

Vf = final velocity [m/s]

Vi = initial velocity = 0

a = aceleration = 4.3 [m/s^2]

t = time = 5 [s]

Now replacing:

Vf = 0 + (4.3*5)

Vf = 21.5 [m/s]

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