|Jun8-09, 02:03 PM||#1|
Finding The Final Velocity
1. The problem statement, all variables and given/known data
A 20kg object is on a 10 m long, 15 degree slope , that has a coefficient of friction that is 0.2 Calculate the time to slide down the final velocity at the bottom
[b]2. Relevant equations[/b
3. The attempt at a solution
I have gotten to the Fr=MAr stage, but after that where you substitute for Vf, Vi, S, Ar, and T; I have gotten stuck.
Any hints or tips would be greatly appreciated, thanks for your time
|Jun8-09, 02:12 PM||#2|
Find the resultant acceleration.
Find the final velocity with conservation of energy.
Use v=u+at and find t.
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