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how to find deceleration with speed and distance. Working through the same logic with an initial speed v and a deceleration a the final distance d traveled before stopping is d v a v g t v 2 v a v 2 2 a This formula becomes more interesting when you learn a bit more physics because its simple example of the work-energy theorem. The formula for acceleration can be used recognizing that the final result must have a negative sign.
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It is expressed in meter per second square ms 2. Velocity is not exactly the same as speed. In a physics equation given a constant acceleration and the change in velocity of an object you can figure out both the time involved and the distance traveled.
For instance imagine youre a drag racer.
We can also find this from speed-time graphs. If initial velocity final velocity and distance travelled are given deceleration is given by. Velocity is not exactly the same as speed. Next determine the initial velocity.
