Answer:
total distance = 36 m
Step-by-step explanation:
total distance the object moved in 20 s:
1st leg: Δy = 20-3 = 17
2nd leg: Δy = 15-3 = 12
3rd leg: Δy = 15 - 8 =7
Total distance = 17 + 12 + 7 = 36 m
8.5m questions
11.1m answers