根据匀变速直线运动的推论:de-ab=3aT 2
得:aT 2=
1.70-1.10
3 =0.20cm
则cd=de-aT 2=1.70cm-0.20cm=1.50cm;
aT 2=0.20cm
得:a=
0.0020
0.0 2 2 =5m/s 2
故答案为:1.50;5.
根据匀变速直线运动的推论:de-ab=3aT 2
得:aT 2=
1.70-1.10
3 =0.20cm
则cd=de-aT 2=1.70cm-0.20cm=1.50cm;
aT 2=0.20cm
得:a=
0.0020
0.0 2 2 =5m/s 2
故答案为:1.50;5.