MysteriousVoid4 MysteriousVoid4
  • 19-12-2019
  • Physics
contestada

A race car's velocity increases from +28 m/s to +36 m/s over a 2.0-s time interval. What is the car's
average acceleration? (in m/s/s)

Respuesta :

opudodennis
opudodennis opudodennis
  • 26-12-2019

Answer:

[tex]4 m/s^{2}[/tex]

Explanation:

Acceleration, [tex]a=\frac {v-u}{t}[/tex]

Where v and u are the final and initial velocities of the race car respectively, t is the time taken for the race car to attain velocity of 36 m/s.

Substituting 36 m/s for v, 28 m/s for u and 2 s for t then

[tex]a=\frac {36 m/s-28 m/s}{2}=4 m/s^{2}[/tex]

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