Kyk9desisJihblue Kyk9desisJihblue
  • 01-04-2017
  • Physics
contestada

A train slows down from 34 m/s to 4 m/s in 60 seconds. what is it's acceleration?

Respuesta :

Saimon4520
Saimon4520 Saimon4520
  • 01-04-2017
acceleration = change in velocity / time

change in velocity = final velocity - initial velocity

because the object is slowing down, the acceleration will be negative.

acceleration = (4-34) / 60
acceleration = -30 / 60
acceleration = -0.5 m/s^2

answer : the train is accelerating at -0.5 m/s^2
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