Question

A potter's wheel is spinning with an initial angular velocity(\omega i)=12 rad/s. It rotates through an angle(\theta )=60 rad in the process of coming to rest. A] What is the angular acceleration(\alpha ) of the wheel? B] How long(t) does it take for it to come to rest? A. A] -5.4 rad/s2 B] 60 seconds B. A] 2.8 rad/s2 B] 16 seconds C. A] -1.2 rad/s2 B] 10 seconds D. A] 3.6 rad/s2 B] 20 seconds

Name: a potters wheel is spinning with an initial angular velocityomega i12 rads it rotates through an angletheta 60 rad in the process of coming to rest a what is the angular accelerationalpha of 41722
Uploaded: 2023-12-03T18:11:39-08:00
Duration: 2 min 10 s
Channel: Krystal K
Description: a potters wheel is spinning with an initial angular velocityomega i12 rads it rotates through an angletheta 60 rad in the process of coming to rest a what is the angular accelerationalpha of 41722

          A potter's wheel is spinning with an initial angular velocity(\omega i)=12 rad/s. It rotates through an angle(\theta )=60 rad in the process of coming to rest.
A] What is the angular acceleration(\alpha ) of the wheel?
B] How long(t) does it take for it to come to rest?
 A. 
A] -5.4 rad/s2
B] 60 seconds
 B. 
A] 2.8 rad/s2
B] 16 seconds
 C. 
A] -1.2 rad/s2
B] 10 seconds
 D. 
A] 3.6 rad/s2
B] 20 seconds

Added by Amy B.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Krystal K

12/03/2023

Step 1

The equation for angular displacement is: \[ \theta = \omega_i t + \frac{1}{2} \alpha t^2 \] Given: \[ \theta = 60 \text{ rad}, \quad \omega_i = 12 \text{ rad/s} \] Since the wheel comes to rest, the final angular velocity (\(\omega_f\)) is 0. We can use the Show more…

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A potter's wheel is spinning with an initial angular velocity(\omega i)=12 rad/s. It rotates through an angle(\theta )=60 rad in the process of coming to rest. A] What is the angular acceleration(\alpha ) of the wheel? B] How long(t) does it take for it to come to rest? A. A] -5.4 rad/s2 B] 60 seconds B. A] 2.8 rad/s2 B] 16 seconds C. A] -1.2 rad/s2 B] 10 seconds D. A] 3.6 rad/s2 B] 20 seconds