题目

The passengers on the bus watched with sympathy as Susan made her way carefully up the steps. She paid the driver and then, using her hands to   36  the seats, settled in one of them. It had been a year since Susan became blind. As the result of an accident she was suddenly thrown into a world of  37 . Susan’s husband Mark watched her  38 into hopelessness and he was  39 to use every possible means to help his wife. Finally, Susan felt ready to   40  to her job, but how would she get there? She used to take the bus, but she was now too  41  to get around the city by hers一物体做匀加速直线运动，初速度v0=5m/s，加速度a=0.1m/s2，求：（1）物体在第3s末的速度是多少？（2）物体在3s内发生的位移是多少？（3）物体在第4s内的位移是多少？