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Determine the acceleration (in m/s) of an object which

A. changes its velocity from 12.1 m/s to 23.5 m/s in 7.81 seconds

B. accelerates from 33.4 m/s to 18.9 m/s over a distance of 109 m

C. accelerates from 21.5 m/s to 8.9 m/s over a distance of 109 m

Please help!

Respuesta :

enochdemigod27

Explanation:

A=23.5-12.1/7.81

1.46

b)(18.9^2-(33.4)^2)/2(109)

-3.5

c)8.9^2-(21.5)^2/2(109)

-1.76

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