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posted by  Dunham on 11/3/2009 1:33:00 PM  |  status: Closed  |  Earned Karma: 0

the total distance traveled by a point on the edge of a tire

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N/A N/A N/A N/A 11/7/2009 at 11:00:00 PM
Question Details:
A car starts from rest and then accelerates uniformly to a linear speed of 14 m/s in 37 s. If the tires have a radius of 23 cm, what are the following?
(a) the average linear acceleration of a tire
1Your answer is correct. m/s2

(b) the angular acceleration of a tire
2Your answer is correct. rad/s2

(c) the angular displacement of a tire from t = 0 to t = 37 s
3Your answer is correct. rad

(d) the total distance traveled by a point on the edge of a tire (Ignore the linear motion.)
4Your answer is incorrect. m 

Thanks for your help
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posted by Anonymous on 11/4/2009 11:35:20 PM  |  status: Live
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Response Details:
The last part is solved by (14m/s)(37s)/2 = your answer is 259m
Hope that helps
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