A vertical wheel with a diameter of 50 cm starts from rest and rotates with a constant angular acceleration of 4 rad/s around a fixed axis through its center counterclockwise. a. Where is the point that is initially at the bottom of the wheel at t= 15 s? Express your answer as an angle in radians between 0 and 27, relative to the positive x axis. radians b. What is the point's tangential acceleration at this instant? a = m/s?

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Chapter10: Fixed-axis Rotation
Section: Chapter Questions
Problem 42P: A vertical wheel with a diameter of 50 cm starts from rest and rotates with a constant angular...
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Hint 1
A vertical wheel with a diameter of 50 cm starts from rest and rotates with a constant angular acceleration
of 4 rad/s around a fixed axis through its center counterclockwise.
a. Where is the point that is initially at the bottom of the wheel at t = 15 s? Express your answer as an
angle in radians between 0 and 27, relative to the positive z axis.
0 =
radians
b. What is the point's tangential acceleration at this instant?
a
m/s?
Transcribed Image Text:Hint 1 A vertical wheel with a diameter of 50 cm starts from rest and rotates with a constant angular acceleration of 4 rad/s around a fixed axis through its center counterclockwise. a. Where is the point that is initially at the bottom of the wheel at t = 15 s? Express your answer as an angle in radians between 0 and 27, relative to the positive z axis. 0 = radians b. What is the point's tangential acceleration at this instant? a m/s?
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