Homework Help: physics

Posted by Natasha on Friday, January 20, 2012 at 5:05pm.

Two cars cover the same distance in a straight line. Car A covers the distance at a constant velocity. Car B starts from rest and maintains a constant acceleration. Both cars cover a distance of 487 m in 216 s. Assume that they are moving in the +x direction. Determine (a) the constant velocity of car A, (b) the final velocity of car B, and (c) the acceleration of car B.

physics - drwls, Friday, January 20, 2012 at 6:43pm
(a) 487/216 = 2.255 m/s
(That's pretty slow!)

(b) Vfinal/2 * 216 = 487
Vfinal = 4.509 m/s

(c) (4.509 m/s)/216s) = 0.0209 m/s^2

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