Intro to Angular Collisions Video Lessons

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Problem: A thin uniform cylindrical turntable of radius 3 m and mass 25 kg rotates in a horizontal plane with an initial angular speed of 7.9 rad/s. The turntable bearing is frictionless. A clump of clay of mass 12 kg is dropped onto the turntable and sticks at a point 1.1 m from the point of rotation. Find the angular speed of the clay and turntable. A. 7.75532 B. 5.75699 C. 6.99693 D. 11.0707 E. 7.097 F. 8.15289 G. 8.35556 H. 4.96894 I. 8.6087 J. 9.56476

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Problem Details

A thin uniform cylindrical turntable of radius 3 m and mass 25 kg rotates in a horizontal plane with an initial angular speed of 7.9 rad/s. The turntable bearing is frictionless. A clump of clay of mass 12 kg is dropped onto the turntable and sticks at a point 1.1 m from the point of rotation.

Find the angular speed of the clay and turntable.

A. 7.75532

B. 5.75699

C. 6.99693

D. 11.0707

E. 7.097

F. 8.15289

G. 8.35556

H. 4.96894

I. 8.6087

J. 9.56476

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Intro to Angular Collisions concept. You can view video lessons to learn Intro to Angular Collisions. Or if you need more Intro to Angular Collisions practice, you can also practice Intro to Angular Collisions practice problems.

How long does this problem take to solve?

Our expert Physics tutor, Juan took 3 minutes and 30 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Pan's class at UW-MADISON.