Advanced/Notes 7.7
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This document discusses applying conservation of momentum to collisions in two dimensions. It explains that conservation of energy and momentum can be analyzed in two or three dimensions, though the math can become complex. As an example, it describes a situation where ball A moves at 3.0 m/s in the x-direction and strikes an equal mass ball B that is initially at rest, causing both balls to move at 45 degrees above and below the x-axis after collision. It poses calculating the final speeds of the balls as a problem and assigns reading and problems from Section 7.7 as homework.
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Advanced/Notes 7.7
- 2. • How do we apply conservation of momentum to two dimensions? Conservation of Momentum
- 3. • Conservation of energy and momentum can be analyzed in two or three dimensions • Math can quickly become complex • We will start with one object in motion and the second at rest Two-Dimensions
- 4. • Billiard ball A moving with speed vA = 3.0 m/s in the +x direction strikes an equal mass ball B initially at rest • After the collision, ball A moves 45° above the x axis • Ball B moves 45° below the x axis • What are their final speeds? Example
- 5. • Read Section 7.7 • Do Problems # 40, 41, Page 189 Homework