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A cheetah can go from a state of resting at running at 20m/s in just two seconds.what is the cheetahs average acceleration A.40 m/s B.40 m/s^2 C.10 m/s D.10 m/s^2
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A cheetah can go from a state of resting at running at 20m/s in just two seconds.what is the cheetahs average acceleration

A.40 m/s
B.40 m/s^2
C.10 m/s
D.10 m/s^2

User Hirad Nikoo
by
7.8k points

2 Answers

5 votes
a.
40 m/s
You have to multiply 20 times 2 because there were 2 seconds.
User Zgpmax
by
8.6k points
4 votes
acceleration = change in velocity/change in time
so...
a = 20 m/s / 2 seconds
a = 10

hope that helps :)


User Shadowwalker
by
8.5k points
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