2019-2020
1 5m/s2
A 5m/s
B 5m/s
C 3 2 5m/s
D 3 2 5m/s
2 2
2 / ?a m s 75kg
A 50kg
B 90kg
C 50kg 2
2 / ?m s
D 50kg 2
2 / ?m s
3
A
B
C
D
4 ABS ABS
A0t1 ABS ABS
B0t1 ABS ABS
C0t2 ABS ABS
Dt1t2 ABS ABS
5
0 50 g
L13.40 cm 50 g L25.10 cm g
9.8 m/s 2