v 1=
0.0355
2×0.1 m/s =0.18 m/s
v 4=
0.1450-0.0645
2×0.1 m/s =0.40 m/s
由△x=at 2得 a=
(0.1450-0.0645)-(0.0645-0.0140)
(2×0.1) 2 m/s=0.75 m/s 2
故答案为 0.18 0.40 0.75
v 1=
0.0355
2×0.1 m/s =0.18 m/s
v 4=
0.1450-0.0645
2×0.1 m/s =0.40 m/s
由△x=at 2得 a=
(0.1450-0.0645)-(0.0645-0.0140)
(2×0.1) 2 m/s=0.75 m/s 2
故答案为 0.18 0.40 0.75