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QveST [7]
3 years ago
7

At the start of a race, a runner’s velocity changes from 0 to 4.0 m/s. It takes him 2 seconds to speed up. His acceleration is _

_____ m/s2.
Mathematics
2 answers:
maksim [4K]3 years ago
8 0
To find the acceleration we divide the change of velocity by the change of time.
Change of velocity: 4 m/s
Change of time: 2 s

Acceleration = \frac{4}{2} = 2

So the answer: his acceleration is 2 m/s^2
Sedaia [141]3 years ago
4 0

His acceleration is, 2 m/s^2!

Hope this helps! :)

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