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A car travels at a velocity of 80 m/s, accelerates than stops in 250 second. What is the acceleration of the truck?


(I’ll give brainliest please someone help me on this and explain it with work I don’t get it)

Respuesta :

pfellas
The acceleration is negative in other words it’s a deceleration.
using v^2 = u^2 + 2as
0 = (80^2)+ 2 a 250
0 = 6400 + 500 a
a = -6400/500 = - 12.8 m/s^2

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