SUMMARY
The discussion focuses on calculating the magnitude of change in linear momentum for a 0.70 kg ball that strikes a wall while moving at 9.6 m/s and rebounds at 1.3 m/s. The correct formula used is Δp = mv(f) - mv(i). The initial momentum (mv(i)) is 6.72 kg·m/s and the final momentum (mv(f)) is -0.91 kg·m/s, leading to a change in momentum of -7.63 kg·m/s. The magnitude of the change is 7.63 kg·m/s, confirming that the answer is positive as it represents magnitude.
PREREQUISITES
- Understanding of linear momentum concepts
- Familiarity with the formula Δp = mv(f) - mv(i)
- Knowledge of vector direction in physics
- Basic algebra for solving equations
NEXT STEPS
- Review the concept of momentum conservation in collisions
- Explore vector addition and subtraction in physics
- Learn about elastic and inelastic collisions
- Study examples of momentum change in different scenarios
USEFUL FOR
Students studying physics, particularly those focusing on mechanics and momentum, as well as educators looking for practical examples of momentum calculations.