Homework help : What object rotates at 90 RPM?

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Homework Help Overview

The discussion revolves around identifying an object that rotates at an angular velocity of 3π radians per second, which is equivalent to 90 RPM. Participants are exploring the relationship between angular velocity and everyday objects.

Discussion Character

  • Exploratory, Assumption checking

Approaches and Questions Raised

  • Participants are attempting to convert angular velocity from radians per second to RPM and are questioning what common objects might match this specification.

Discussion Status

The discussion is ongoing, with participants providing initial attempts and suggestions for further research. Some guidance has been offered regarding searching for objects that rotate at 90 RPM.

Contextual Notes

There is an emphasis on showing effort before receiving help, and participants are encouraged to conduct their own research to find relevant examples.

sayo
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Homework Statement
An object has an angular velocity of 3pi radians per second. What object could this be? Justify your choice. If
[Some research and/or conversions may be required here.]
Relevant Equations
Radian measures
H
 
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Hello @sayo,

Welcome to PF! :welcome:

sayo said:
Homework Statement:: An object has an angular velocity of 3pi radians per second. What object could this be? Justify your choice. If
[Some research and/or conversions may be required here.]
Relevant Equations:: Radian measures

H

What do you think? Per the forum rules, you must show that you've put some effort into the problem before getting help.

As per the instructions, try converting the 3 \pi \ \mathrm{\frac{rad}{sec}} to more common, everyday units. Then do a google search. See what you come up with.
 
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Likes   Reactions: sysprog
I apologize, I’m new to the forum but this is what I’ve gotten so far, I am not able to identify an object that has an RPMof 90.
15A8AB0F-B7A8-4243-965A-BA53E43DC91C.jpeg
 
Okay, good so far.

Type in "90 rpm" into google search, and see what hits you get.
 
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Likes   Reactions: berkeman and sysprog

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