What is the final speed of thee racing car that accelerates in a straight line from rest for 8 sec at 4.2m/s^2
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What is the final speed of thee racing car that accelerates in a straight line from rest for 8 sec at 4.2m/s^2

[From: ] [author: ] [Date: 12-06-13] [Hit: ]
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Final velocity = initial velocity + acceleration x time
vf = vi + at
vi= 0 because object starts at "rest" or zero movement/speed
So, vf = at
Therefore, vf = 4.2 (8) = 33.6
1
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