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3 years ago

15

4

2 answers:

konstantin123 [22]3 years ago

7 0

Answer:

30 m/s is the answer

Murrr4er [49]3 years ago

3 0

Answer: A -30m/s

Step-by-step explanation:

Change in velocity:

Δv = v 2 - v 1

Δv = - 10 m/s - 20 m/s

Δv = - 30 m/s

Your welcome :)

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