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AP Physics 1
4.2 Change in Momentum and Impulse
IntermediateMCQGraphicalMathematicalConceptual22.1k
Force versus time for three carts over the interval from \(t = 0\) to \(t = T\).
Force versus time for three carts over the interval from \(t = 0\) to \(t = T\).
Three identical laboratory carts initially at rest on a horizontal, frictionless track are pushed along a straight line by three different net horizontal forces. In each trial, the force acting on the cart varies with time over the same time interval from \(t = 0\) to \(t = T\) and reaches the same maximum value \(F_0\). The force-versus-time profiles for the three trials—Trial 1 (constant rectangular pulse), Trial 2 (smooth symmetric curve), and Trial 3 (triangular pulse)—are shown on the graph. Which of the following correctly ranks the magnitude of the impulse \(J\) delivered to each cart during the interval from \(t = 0\) to \(t = T\)?

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