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fofo_samoshy · May 21, 2012, 01:54 PM

an object move along the x axis according to the equation x(t)=(3.00t^2 - 2.00t +3.00) m determine (a)the average speed between ( t= 2.00s and t=3.00s)?

ebaines · May 21, 2012, 02:14 PM

Originally Posted by fofo_samoshy

an object move along the x axis according to the equation x(t)=(3.00t^2 - 2.00t +3.00) m determine (a)the average speed between ( t= 2.00s and t=3.00s)??

Hint: average speed is equal to distance covered divided by time:

$<br /> v_{avg} = \frac {\Delta x} {\Delta t} = \frac {x(3 \ sec) - x(2\ sec)} {3\ sec\ -\ 2 \ sec}<br />$