Homework Help: physics

Posted by Anonymous on Sunday, January 31, 2010 at 6:35pm.

A drag racer, starting from rest, speeds up for 402 m with an acceleration of +24.0 m/s2. A parachute then opens, slowing the car down with an acceleration of -5.40 m/s2. How fast is the racer moving 3.75 102 m after the parachute opens?

physics - Damon, Sunday, January 31, 2010 at 6:57pm
Please post your attempt at solution.
physics - kelly, Sunday, January 31, 2010 at 7:05pm
x=1/2(vo+v)t
physics - tina, Sunday, January 31, 2010 at 7:25pm
vo1 +1/2at2
and vo2 +t i just don't know what numbers to put where

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