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ii) Impulse on ground when mass B impacts: 2mΔv ?
Motion of masses connected by a string over a pulley
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Homework Help Overview
The discussion revolves around the motion of two particles connected by a string over a pulley, specifically focusing on the dynamics of the system as one particle falls and impacts the ground. The problem involves concepts from mechanics, including kinematics and forces acting on the masses.
Discussion Character
- Mixed
Approaches and Questions Raised
- Participants explore the acceleration of the system and the resulting speeds of the particles at various points in the motion. There are attempts to apply kinematic equations to find speeds and distances traveled.
- Some participants question the assumptions made about momentum conservation during the interaction between the masses when the string becomes taut.
- There is discussion about the impulse experienced by the falling mass and the implications of the system's behavior when one mass hits the ground.
- Participants express uncertainty about the effects of the string's tension and the nature of the interaction between the two masses.
Discussion Status
The discussion is ongoing, with various interpretations being explored regarding the mechanics of the system. Some participants have offered insights into the application of momentum conservation, while others are clarifying the implications of the string's inextensibility and the resulting forces. There is no explicit consensus yet, but the dialogue is productive.
Contextual Notes
Participants are navigating the complexities of the problem, including the effects of external forces and the definitions of momentum exchange in the context of the system's dynamics. The original poster's assumptions and the problem's constraints are under examination.