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Mathematics 11 Online
OpenStudy (anonymous):

A particle is moving along a line with velocity function v(t)=t^2-t-12feet per second. Find the displacement on the interval 1is less than or equal to t, and t is less than or equal to 5. And the total distance traveled on the interval

OpenStudy (amistre64):

displacement is the integration of velocity along the interval

OpenStudy (anonymous):

so do I derive the function

OpenStudy (amistre64):

no, you integrate it

OpenStudy (anonymous):

so I plug in 1 and 5 in the equation

OpenStudy (amistre64):

im assuming you know what a derivative or an integral already is ....

OpenStudy (amistre64):

\[\int_{a}^{b}v(t)~dt=displacement\]

OpenStudy (amistre64):

if you know of some other way to define the area underneath the velocity curve, then by all means have at it

OpenStudy (anonymous):

okay so I GOT V(T)DT=(T^3/3-T^2/2-12T)

OpenStudy (amistre64):

good, now we evaluate that from t = 1 to 5

OpenStudy (amistre64):

distance im am thinking is the length of that curve, from 1 to 5

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