Homework Help: Physics

Posted by Willie on Monday, September 21, 2009 at 7:45pm.

An object in uniform circular motion moves at a constant speed around a circle with a fixed radius. Why is the object said to be accelerating though it has a constant speed?

Physics - MathMate, Tuesday, September 22, 2009 at 4:09pm
An acceleration is defined as the change of velocity per unit time. Since the velocity changes with time even the speed is constant, so there is an acceleration.

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