- #1

dyslexiateech

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**How do I find velocity from acceleration??**

**1. An automobile and a truck start from rest at the same instant, with the automobile initially at some distance behind the truck. The truck has a constant acceleration of 2.00 , and the automobile an acceleration of 3.42 . The automobile overtakes the truck after the truck has moved a distance 41.0 .**

**r=r+Vt+1/2at^2**

**I get 40=vf^2/4, which gives me 40, but that's not right.**