ch11-p002 - 0.375 m v R = = = (b) With = (30.0)(2 ) = 188...

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2. The initial speed of the car is () 80 km/h (1000 m/km)(1 h/3600 s) 22.2 m/s v == . The tire radius is R = 0.750/2 = 0.375 m. (a) The initial speed of the car is the initial speed of the center of mass of the tire, so Eq. 11-2 leads to com0 0 22.2 m/s 59.3 rad/s. 0.375 m
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Unformatted text preview: 0.375 m v R = = = (b) With = (30.0)(2 ) = 188 rad and = 0, Eq. 10-14 leads to ( ) 2 2 2 2 (59.3 rad/s) 2 9.31 rad/s . 2 188 rad = + = = (c) Eq. 11-1 gives R = 70.7 m for the distance traveled....
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