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$2.$ Evaluate $\int ^{3}|x^{2}-2x|$ $dx$ $1$ $3.$ If the function $f\left(x\right)=\left(\dfrac {x^{2-1}} {x-1}$ $k$ when $x≠1$ when $x=1$ is given to be continuous at $x=1,$ then the value of $k$ is
Physics
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Qanda teacher - dharmendra
The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time. Velocity is equivalent to a specification of an object's speed and direction of motion (e.g. 60 km/h to the north).