RKS9852 RKS9852

02-11-2018
Mathematics

contestada

A gazelle can change its speed from 0 to 45 mph in 2 seconds. What is the gazelle's acceleration?

Respuesta :

jcherry99 jcherry99

02-11-2018

Answer:

22.5 m/s^2

Step-by-step explanation:

Givens

vi=0

vf = 45 mph

t = 2 seconds

a = ??

Formula

a = (vf - vi)/t

a = (45 - 0)/2

a = 22.5 m/s^2 That's an incredible change of speed.

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