在“研究匀变速直线运动”的实验中，我们得到如图的纸带数据（图中的点是每5个点为一个计数点，纸带的运动方向向左），则C点的瞬时速度为______，小车的加速度大小为______m/s2．（保留两位小数）
打纸带上C点时小车的瞬时速度大小为：
vC=
=xBD 2T
=0.13m/s0.0436-0.0175 0.2
根据公式△x=aT2得：小车的加速度为：a=
=xBC+xCD-xDE-xEF 4T2
=0.30m/s2；0.0436-0.0175-(0.0578-0.0436) 0.04
故答案为：0.13m/s；0.30
I have a big and happy family. My grandparents 1 workers. 2 are old now. My father is a doctor. He can swim well. My 3 is a teacher. She likes eating 4 and vegetables. I have got 5 uncle. He is a manager. He’s got 6 bikes in his factory. He can drive. He 7 swim. I’m Betty. I’m a student. I’m 8 Class 5. I can run fast 9 I can’t sing well. My faourite drink is 10 . 小题1:.
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