JennieBP JennieBP

18-02-2017
Physics

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A car traveling at 30 m/s north slows to a stop in 15 seconds. What is the acceleration? PLEASE HELP

A car traveling at 30 ms north slows to a stop in 15 seconds What is the acceleration PLEASE HELP class=

Respuesta :

18-02-2017

Speed is distance over time so, 30/15=2.
Because it slows down, the acceleration is negative so B. -2m/s2

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