Sagot :
Answer:
1). 40 km/h
2). 33 m/m
3). 9 km/h
4). 11 m/s
5). 27 ?/m
6). 23 m/s
7). 14 km/h
8). 27 m/m
Step-by-step explanation:
Solution:
1).
S = D ÷ T
S = 1000 km ÷ 25 hours
S = 40 km/h
2).
S = D ÷ T
S = 165 m ÷ 5 minutes
S = 33 m/m
3).
S = D ÷ T
S = 225 km ÷ 25 hours
S = 9 km/h
4).
S = D ÷ T
S = 121 m ÷ 11 seconds
S = 11 m/s
5).
S = D ÷ T
S = 675 ? ÷ 25 minutes
S = 27 ?/m
6).
S = D ÷ T
S = 115 m ÷ 5 seconds
S = 23 m/s
7).
S = D ÷ T
S = 280 km ÷ 20 hours
S = 14 km/h
8).
S = D ÷ T
S = 540 m ÷ 20 minutes
S = 27 m/m
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