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harina [27]
2 years ago
8

.

Physics
1 answer:
WARRIOR [948]2 years ago
8 0

Answer:

Explanation:distance-time =speed

a,V =s/t

V=2m/2s

V=1m/s

b,v=s/t

V=80m/40s

V= 2m/s

The average speed is 2m/s

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