- #31
- 42,842
- 10,509
I get slightly less, but that should be close enough. Maybe you used a larger value for g.DeepPatel said:
Sledding Down a Hill: Calculating Friction and Velocity
Click For Summary
Homework Help Overview
The discussion revolves around a physics problem involving a man sledding down a hill, where participants explore concepts related to work, energy, and friction. The problem includes calculating the work done by friction and determining the final velocity at the bottom of the hill, incorporating principles of mechanical energy conservation.
Discussion Character
- Mixed
Approaches and Questions Raised
- Participants discuss the application of work-energy principles, questioning the definitions and calculations related to work done by friction. Some express confusion about the relationship between kinetic and potential energy at different points of the sledding scenario.
Discussion Status
The conversation is active, with participants sharing calculations and questioning each other's reasoning. Some guidance has been offered regarding the definitions of work and the implications of negative work done by friction, but no consensus has been reached on the final velocity calculations.
Contextual Notes
Participants note the use of simplified gravitational acceleration values for calculations, which may affect the outcomes. There is also an emphasis on ensuring that the physical implications of the equations used are considered, particularly regarding the contributions of friction.