|Sep15-12, 06:20 PM||#1|
Finding Acceleration Given Coordinates
No idea how to do this.
An object moving with uniform acceleration has a velocity of 11.0 cm/s in the positive x-direction when its x-coordinate is 2.91 cm. If its x-coordinate 2.75 s later is −5.00 cm, what is its acceleration?
The answer is -10.1 cm/s squared but I don't know how to get to the answer. Any help would be great. Thanks.
|Sep15-12, 06:38 PM||#2|
As you know velocity=Δdisplacement/Δtime.
What do you know about constant acceleration definition?
|Sep16-12, 05:24 AM||#3|
Perhaps look at one of the SUVAT equation of motion.
You know the displacement s, the time t and the initial velocity v.
I'll let you decide which equation you need to solve for "a".
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