12. We use the constant-acceleration equations of Table 2-1 (with the origin at the traffic light), Eq. 9-5 for xcomand Eq. 9-17 forGvcom. At t= 3.0 s, the location of the automobile (of mass m1) is xat1122122403018===..m/ssm,2chbgwhile that of the truck (of mass m2) is x2= vt= (8.0 m/s)(3.0s) = 24 m. The speed of the automobile then is ()214.0 m/s3.0 s12 m/s,vat=while the speed of the truck
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.