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7.5 Elastic Collisions in One Dimension Since momentum and energy are conserved then

7.5 Elastic Collisions in One Dimension Since momentum and energy are conserved then. 7.6 Inelastic Collisions Momentum is conserved but KE is not. Why? Consider a ball dropped onto the floor. Completely Inelastic Objects stick together after collision

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7.5 Elastic Collisions in One Dimension Since momentum and energy are conserved then

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  1. 7.5 Elastic Collisions in One Dimension • Since momentum and energy are conserved then APHY201

  2. 7.6 Inelastic Collisions • Momentum is conserved but KE is not. • Why? Consider a ball dropped onto the floor. • Completely Inelastic • Objects stick together after collision • We assume there are no external forces acting on the system. APHY201

  3. 7.7 Collisions in Two or Three Dimensions • Must look at the x and y components of momentum APHY201

  4. 7.8 Center of Mass and Center of Gravity Example 1 Example 2 Video APHY201

  5. 7.8 Center of Mass and Center of Gravity APHY201

  6. In class: Problems 19, 66 • Other problems ↓ 22. Let A represent the 0.440-kg ball, and B represent the 0.220-kg ball. Use Eq. 7-7 to obtain a relationship between the velocities. APHY201

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