Two cars cover the same distance in a straight line. car Acovers the distance at

Question

Two cars cover the same distance in a straight line. car Acovers the distance at a constant velocity. Car B starts from restand maintains a constant acceleration. both cars cover a distanceof 460 m in 210s. Assume that they are moving in the +x direction.Determine a) the constant velocity of car A, b) the final velocityof car B, and c) the acceleration of car B. Two cars cover the same distance in a straight line. car Acovers the distance at a constant velocity. Car B starts from restand maintains a constant acceleration. both cars cover a distanceof 460 m in 210s. Assume that they are moving in the +x direction.Determine a) the constant velocity of car A, b) the final velocityof car B, and c) the acceleration of car B.

Explanation / Answer

let the car A has constant velocity of v m/s v=distance/time=460/210=2.19 m/s (ans a) let the car b has constant accleration of a m/s2 andinitial velocity u=0 s=u*t+(1/2)*a*t2460=0+(1/2)*a*210*210 a=0.021 m/s2 (ans c) let final velocity of B=v v=u+a*t v=0+0.021*210 v=4.41 m/s (ans b)

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