Recent content by John1767
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Rotational Inertia: Hoop vs Disk
Thanks for pointing me in the right direction!- John1767
- Post #19
- Forum: Introductory Physics Homework Help
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J
Rotational Inertia: Hoop vs Disk
Wow! I should have thought of that, sorry for the messy math but I just got so excited when I was able to cancel out mass. I guess the disk goes further regardless of somehow having more inertia, I guess it just threw me off that the disk had more inertia with the same mass and radius.- John1767
- Post #17
- Forum: Introductory Physics Homework Help
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Rotational Inertia: Hoop vs Disk
Alright, thank you. I'll just bring that up in my answer and hand it in. I appreciate the help.- John1767
- Post #15
- Forum: Introductory Physics Homework Help
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Rotational Inertia: Hoop vs Disk
So even though the disk has greater inertia, it will still have the larger horizontal displacement? Is there a concept that I'm missing or overlooked here?- John1767
- Post #13
- Forum: Introductory Physics Homework Help
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J
Rotational Inertia: Hoop vs Disk
Yes, this is the problem describing the hoop. It just defines the mass and radius with the same variables and describes the ramp situation.- John1767
- Post #12
- Forum: Introductory Physics Homework Help
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J
Rotational Inertia: Hoop vs Disk
The mass and radius of both the hoop and the disk are defined as m0 and r0 respectively, so maybe the question is giving me false information so I catch on to the false physics at work?- John1767
- Post #10
- Forum: Introductory Physics Homework Help
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Rotational Inertia: Hoop vs Disk
The question itself says that Id > Ih where Id is the rotational inertia of the disk and Ih is the rotational inertial of the hoop.- John1767
- Post #7
- Forum: Introductory Physics Homework Help
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Rotational Inertia: Hoop vs Disk
I know that a hoop should have a higher rotational inertia than a solid disk because its mass is distributed further from the axis of rotation. What I don't understand is how a disk of the same mass and radius can have a higher rotational inertia. If the objects roll freely their axes of...- John1767
- Thread
- Disk Inertia Rotational Rotational inertia
- Replies: 19
- Forum: Introductory Physics Homework Help