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How long will it take a car to go from 0 to 44 km/hr if they are accelerating at 5 km/hr2

CurlyQ34160  Sep 28, 2017
 #1
avatar+87571 
+1

I'm not great at Physics.....but I think we need this equation :

 

V  = V +  at

 

Where

 

Vf  = final velocity

V = initial velocity  

a  =  acceleration

 

So we have

 

44km / hr  =   0  + (5km / hr^2) * a

 

44km / hr   =  (5km / hr^2) * a          divide both sides  by  (5km / hr^2)

 

[ 44km / hr ]  

__________       =    a    =   [44/5] hr   =   8.8 hrs

[ 5km / hr^2 ]  

 

 

 

cool cool cool

CPhill  Sep 28, 2017

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