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melamori03 [73]
3 years ago
8

Can somebody help ?!!!!

Biology
1 answer:
Lena [83]3 years ago
8 0

Answer:

speed=distance÷time

2m/s,1.5m/s,1.25m/s,0.5m/s

Explanation:

speed=distance÷time

20/10=2m/s

30/20=1.5m/s

50/40=1.25m/s

30/60=0.5m/s

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