homework help > physics > physics q&a board > topic: rotational inertia...

Q BgQuestion:

      
Pupil
Karma Points: 50
Respect (0%):
posted by  Markz111 on 11/4/2009 4:05:08 PM  |  status: Live  |  Earned Karma: 50

rotational inertia

Course Textbook Chapter Problem Needs by
Calculus Based Physics Fundamentals of Physics Extended (8th) by Halliday, Resnick, Walker 10 39P 11/4/2009 at 4:30:00 PM
Question Details:
why is it M(d/2)^2 instead of Md^2 in the work shown for part a?
Bonus Point Alert! Earn +4 additional karma points for helping this gold member.

AAnswers:

Answer Question Ask for clarification
Oracle
Karma Points: 75,789
posted by watt (MNK) on 11/4/2009 8:24:03 PM  |  status: Live
Asker's Rating: This answer has not been rated. If you asked this question, then please login.   
Response Details:
Moment of inertia I = M r ^ 2
where  r = radius = diameter / 2 = d / 2
So, moment of inertia  I = M ( d / 2 ) ^ 2
Answer Question Ask for clarificarion
Ask New Question

Join Cramster's Community

Cramster.com brings together students, educators and subject enthusiasts in an online study community. With around-the-clock expert help and a community of over 100,000 knowledgeable members, you can find the help you need, whenever you need it. Join for free today » How Cramster is different from tutoring »

Need Help In

Useful Links