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    e_stepp's Avatar
    e_stepp Posts: 1, Reputation: 1
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    #1

    Dec 11, 2011, 10:51 AM
    final velocity
    a car, initially at rest, is accelerated at 10m/s^2 over a distance of 40m.
    what will the final velocity of the car be after is has travled 40m?
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
    Expert
    		  
    #2

    Dec 12, 2011, 09:22 AM
    Use the formula



    where Vf = final velocity and Vi = initial velocity, which you know is zero. From this you can calculate Vf.
    Aurora2000's Avatar
    Aurora2000 Posts: 111, Reputation: 16
    Junior Member
    		  
    #3

    Dec 12, 2011, 09:26 AM
    Use the formula



    where are respectively final velocity, initial velocity, acceleration and distance traveled.
    Aurora2000's Avatar
    Aurora2000 Posts: 111, Reputation: 16
    Junior Member
    		  
    #4

    Dec 12, 2011, 09:29 AM
    Ops, I posted at the same time as ebaines (the screen did not refresh so I could know this only after clicking "Answer" icon, an admin can delete this my post without problems)...
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