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i safari File Edit View History Bookmarks Window Help Sun 8:29 PM a Tactics Box 9.1 Drawing a Before-and-After Visual Overview Resources previous | Item 1 | next Tactics Box 9.1 Drawing a Before-and-After Visual Overview Part A Which of the following sketches best represents the situation before and after the collision? Vectors before and after the collision with the stick and r represent, respectively, the velocities of the puck Learning Goal: To practice Tactics Box 9.1 Drawing a before-and-afler visual Before After During a collision, two objects exert forces on each other that vary in a complex way during the time of the collision. Using Newton's second law to predict the outcome of a collision would thus be a daunting challenge. Nevertheless, some collisions have very simple outcomes that can be predicted by analyzing the motion of the objects before and after the collision. A before- and-after visual overview is therefore an important problem- solving tool in such problems. The following Tactics Box explains how to draw a visual overview focusing on the connection between "before" and "after." Before After Before After Ur Submit My Answers Give UR Part B a vaca WI SI who are 29

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figure a ................ correct answer

before collison and after collision speed is same . but opposite direction

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