sana112704 sana112704

20-02-2020
Physics

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HELP IM STUCK WELL MARK A BRAINLIESS IF ITS RIGHT

a cow sees a break in the fence and runs for her freedom. as she passes through the fence her speed gose from 3 m/s to 10 m/s in a matter of 90 seconds. calculate her acceleration. show your work and include correct units for full credit. round your answer to proper significant figures

Respuesta :

mayarsakir mayarsakir

20-02-2020

Explanation:

[tex]a = \frac{v}{t} [/tex]

10-3=7 m/s (change of speed)

90 sec (change of time)

[tex] \frac{7}{90} = 0.077m \div sec {}^{2} [/tex]

0.77 m/sec^2

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