xEmqq7947 xEmqq7947
  • 11-04-2021
  • Physics
contestada

A car is moving at a constant speed of 80 m/s and comes to rest after 5 seconds. Calculate the acceleration.

Respuesta :

dipakhero94
dipakhero94 dipakhero94
  • 11-04-2021

Explanation:

use this formula a=v-u/t

Answer Link
OverpoweredNoob
OverpoweredNoob OverpoweredNoob
  • 11-04-2021

Answer:

-16 m/s^2

Explanation:

vi = 80 m/s

vf = 0 m/s

t = 5 s

Plug those values into the equation:

vf = vi + at

0 = 80 + 5a

---> a = - 16 m/s^2

Answer Link

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