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[Phys-L] Re: A problem of motion and derivatives




> Seth wrote:

> But at t=20, the velocity, the acceleration and the jerk are ALL zero!

I think this is a common, incorrect assumption, that the
acceleration is zero at the top, just because it looks like it
stops moving and turns around, but the acceleration is approxomately
-g all the way.

Am I right?
--



Clarence Bennett
Oakland University Physics
Rochester, Michigan
248 370 3418
248 377 4048
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