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AP Physics 1
4.2 Change in Momentum and Impulse
2.5 Newton’s Second Law
Multi-Unit
IntermediateMCQGraphicalMathematicalConceptual13.2k
Experimental setup showing external force applied to a two-block system.
Experimental setup showing external force applied to a two-block system.
Graph of the external force magnitude over time.
Graph of the external force magnitude over time.
Two blocks of mass M and 3M are in contact on a frictionless horizontal surface. At time t = 0, a horizontal external force F_ext is applied to the block of mass M, as shown in the diagram. The graph shows the magnitude of F_ext as a function of time t. Which of the following is a correct expression for the magnitude of the impulse delivered to the block of mass 3M by the block of mass M during the time interval from t = 0 to t = Delta t?

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