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A motorcycle slows down from 40 m/s to 20 m/s. If this takes 4 seconds, what is the motorcycle's acceleration? A. -5 m/s2 B. -10 m/s2 C. 20 m/s2 D. 20 m/s2

A motorcycle slows down from 40 m/s to 20 m/s. If this takes 4 seconds, what is the motorcycle's acceleration? A. -5 m/s2 B. -10 m/s2 C. 20 m/s2 D. 20 m/s2
asked 222k views
2 votes
A motorcycle slows down from 40 m/s to 20 m/s. If this takes 4 seconds,

what is the motorcycle's acceleration?
A. -5 m/s2
B. -10 m/s2
C. 20 m/s2
D. 20 m/s2

A motorcycle slows down from 40 m/s to 20 m/s. If this takes 4 seconds, what is the-example-1
asked
User Guidot
by
7.3k points

2 Answers

6 votes

Answer:

a=v-u

t

a= 20-40

4

a= -20

4

a=-5

answered
User Les Vogel
by
7.8k points
1 vote

I believe the answer is A. -5 m/s2

answered
User Peadar Doyle
by
7.6k points
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