hijabandshoulders hijabandshoulders

06-09-2020
Mathematics

contestada

A car rolls backward from -2 to -10 m/s in 4 seconds. what is the acceleration. PLEASE HELP WILL GIVE BRAINLIEST!!!

Respuesta :

jcherry99 jcherry99

06-09-2020

Answer:

What ever it is, it should be minus. a = - 2

Step-by-step explanation:

Givens

v1 = - 2

v2 = - 10

t = 4 seconds

formula

a = (vf - vi)/t

Solution

a = (-10 - (-2)) / 4

a = (-10 + 2) / 4

a = (-8)/4

a = -2 m/s^2

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