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  • 20-07-2018
  • Physics
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starting from rest, a car accelerates at a rate of 10.7 m/s^2 for 12 seconds. what is its velocity at the end of this time?

Respuesta :

Cetacea
Cetacea Cetacea
  • 30-07-2018

Velocity of the car at the end of this time=128.4 m/s

Explanation:

initial velocity Vi=0

final velocity=V

acceleration= a=10.7 m/s²

time =t=12 s

using kinematic equation V= Vi + at

V=0+ 10.7 (12)

V=128.4 m/s

Thus the final velocity of the car =128.4 m/s

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