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Unformatted text preview: , F net dt = p , where the impulse of a force is defined, I F dt. this is the area under F vs t graph For example, F net t = F net t = p where the average force is used. A consequence of the impulse-momentum theorem is the law of conservation of momentum : If the net external force acting on a system is zero, then the momentum of the system is constant. An important application is to collisions. In the simplest case we consider the collision of two particles in one-dimension, of which there are two extreme regimes. completely inelastic Only momentum of the two-body system is conserved. Elastic Both momentum and kinetic energy of the two-body system is conserved. EXAMPLES [in class]...
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