Question

4. A car moving along a straight road at a speed ofu m/s applies brakes at t = 0 second. The ratioTrof distances travelled by the car during 3rd and8th second is 15:: 13. The car covers a distanceof 0.25 m in the last second of its travel. Thereforethe acceleration a(in m/s2) and the speed u(in m/s) of the car are respectively \lbrack NSEP 2016\rbrack(1) -0.1, 16(2) -0.2, 12(3) -0.5, 20(4) -0.1, 16

Answer 1