Saturday, January 16, 2010

Does the formula a=(u-v)/t only apply in cases of constant acceleration?

The formual a=(u-v)/t applies to constant deceleration. The formula for constant acceleration is a=(v-u)/t





yes, this formuala only apllies to uniform acceleration. non - uniform acceleration can be represented by using a velocity-time graph.





The acceleration or deceleration can be represented by drawing tangents at the respective points on the graph and determining their gradients at these points.





Hope i've helped!Does the formula a=(u-v)/t only apply in cases of constant acceleration?
yes .definitelyDoes the formula a=(u-v)/t only apply in cases of constant acceleration?
If the acceleration was not constant, a would be an average, but it would still be a valid number as long as one was aware it was an average.


In the Wikipedia article, they use ā for average acceleration, i.e. ā = (v-u)/t
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