A car and train move together along parallel paths at 25,0 m/s, with the car
adjacent to the rear of the train. Then, because of red light , the car undergoes
a uniform acceleration of -5 m/s2 and come a rest. It remains at rest for 45 s
and the acceleration back to a speed of 20 m/s at rate of 2.5 m/s2
. How far
behind the rear of the train is the car when it reaches the speed of 25 m/s,
assuming that the speed of the train has remained 25,0 m/s?
0 answers