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Unformatted text preview: -Often it is not possible to calculate the motion of the colliding bodies by direct solution of Newtons equation of motion because the impulsive forces that act during the collision are not known in sufficient detail-A collision in which the total kinetic energy before and after the collision is the same is called elastic collisions Elastic Collisions in One Dimension-The collision of two boxcars on a railroad track is an example of a collision on a straight line-In an elastic collision of two particles moving along a straight line, the laws of conservation of momentum and energy completely determine the final velocities in terms of the initial velocities-Kinetic energy and momentum is conserved-Look at Example 4-...
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