A small robotic rover moves along a straight horizontal track. Its position \(x\) as a function of time \(t\) is given by the equation \(x(t) = At^2 - Bt + D\), where \(A\), \(B\), and \(D\) are positive constants. Which of the following expressions represents the time \(t\) at which the rover is momentarily at rest? • Nerd Notes

AP Physics C: Mechanics

1.2 Displacement, Velocity, and Acceleration

BeginnerMCQMathematical17.9k

A robotic rover moving along a linear track.

A small robotic rover moves along a straight horizontal track. Its position \(x\) as a function of time \(t\) is given by the equation \(x(t) = At^2 - Bt + D\), where \(A\), \(B\), and \(D\) are positive constants. Which of the following expressions represents the time \(t\) at which the rover is momentarily at rest?

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