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Kinematics in 1D

  • Thread starter karkrash
  • Start date
3
0
1. A stone is thrown with an initial velocity of +7.0 m/s. The acceleration of the stone is a constant and has the value of -9.81m/s^2.What is the velocity of the stone after 0.5s?



2. Homework Equations
vf=vi+at?
i have no idea



3. The Attempt at a Solution
i cant find the right equation to put this in
 

Doc Al

Mentor
44,804
1,064
What direction is it thrown? Never mind--your title suggests 1D motion, so I presume straight up.

You have the correct equation. Use it!
 

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