You are riding your mountain bike down a hill that is inclined at an angle of 0 degrees above the horizontal. You notice a section of loose gravel on the trail so you slam on your brakes to stop. The gravel is such that its coefficient of kinetic friction is variable, and can be written as H(x) = Hoe*/d In the above expression, x is the distance the bike has traveled, d is the total distance the bike travels while stopping, and Ho is the initial coefficient of friction. You and the bike have a combined mass of m1. Using this information, find the total amount of thermal energy generated as you stop.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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7. You are riding your mountain bike down a hill that is inclined at an angle of 0 degrees above the
horizontal. You notice a section of loose gravel on the trail so you slam on your brakes to stop. The
gravel is such that its coefficient of kinetic friction is variable, and can be written as
µ(x) = Hge*/a
In the above expression, x is the distance the bike has traveled, d is the total distance the bike travels
while stopping, and Ho is the initial coefficient of friction. You and the bike have a combined mass of
m1. Using this information, find the total amount of thermal energy generated as you stop.
Transcribed Image Text:7. You are riding your mountain bike down a hill that is inclined at an angle of 0 degrees above the horizontal. You notice a section of loose gravel on the trail so you slam on your brakes to stop. The gravel is such that its coefficient of kinetic friction is variable, and can be written as µ(x) = Hge*/a In the above expression, x is the distance the bike has traveled, d is the total distance the bike travels while stopping, and Ho is the initial coefficient of friction. You and the bike have a combined mass of m1. Using this information, find the total amount of thermal energy generated as you stop.
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