CPM Homework Help : CALC Problem 11-47

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11-47.

Multiple Choice: If $(x(t)$ , $y(t))$ is the position vector of an object at time $t$ , then the velocity vector is:

$( x ^ { \prime } ( t ) , y ^ { \prime } ( t ) )$

$( \frac { d x } { d t } , \frac { d v } { d t } )$

(a) and (b)

$\frac { d y } { d x }$

$( 1 , \frac { d y } { d x } )$

Velocity is the derivative of position.

More than one of the choices is correct.

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