Problem 4: A skateboarder is attempting to make a circular arc of radius r= 11 m in a parking lot. The total mass of the skateboard and skateboarder is m = 89 kg. The coefficient of static friction between the surface of the parking lot and the wheels of the skateboard is us = 0.57.

Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter6: Circular Motion And Other Applications Of Newton's Laws
Section: Chapter Questions
Problem 32AP: Why is the following situation impossible? A mischievous child goes to an amusement park with his...
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Please answer part b
Part (b) He speeds up very slightly and begins to slide. The coefficient of kinetic friction is µz = 0.12. What is the new magnitude, in meters per
squared second, of his radial acceleration?
ac =
m/s?
789 HOME
sino
coso
tan
Transcribed Image Text:Part (b) He speeds up very slightly and begins to slide. The coefficient of kinetic friction is µz = 0.12. What is the new magnitude, in meters per squared second, of his radial acceleration? ac = m/s? 789 HOME sino coso tan
Problem 4: A skateboarder is attempting to make a circular arc of radius r = 11 m in a parking lot.
The total mass of the skateboard and skateboarder is m = 89 kg. The coefficient of static friction between the
surface of the parking lot and the wheels of the skateboard is u, = 0.57 .
m
Part (a) What is the maximum speed, in meters per second, he can travel through the arc without slipping?
m/s
Vm =
sin()
cos()
tan()
7
8
НОМЕ
JT
cotan()
asin()
acos()
E
6.
atan()
acotan()
sinh()
1
2
3
cosh()
tanh()
cotanh()
END
VO BẠCKSPACE
CLEAR
DEL
O Degrees O Radians
Transcribed Image Text:Problem 4: A skateboarder is attempting to make a circular arc of radius r = 11 m in a parking lot. The total mass of the skateboard and skateboarder is m = 89 kg. The coefficient of static friction between the surface of the parking lot and the wheels of the skateboard is u, = 0.57 . m Part (a) What is the maximum speed, in meters per second, he can travel through the arc without slipping? m/s Vm = sin() cos() tan() 7 8 НОМЕ JT cotan() asin() acos() E 6. atan() acotan() sinh() 1 2 3 cosh() tanh() cotanh() END VO BẠCKSPACE CLEAR DEL O Degrees O Radians
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