smartgirl7112 smartgirl7112

02-01-2020
Physics

contestada

A car traveling at 7.3 m/s accelerates at the rate of 0.82 m/s2 for an interval of 7.4 s. Find vf.

Respuesta :

03-01-2020

Final velocity is 13.37 m/s

Explanation:

We have equation of motion v = u + at

Initial velocity, u = 7.3 m/s

Final velocity, v = ?

Time, t = 7.4 s

Acceleration,a = 0.82 m/s²

Substituting

v = u + at

v = 7.3 + 0.82 x 7.4

v = 13.368 m/s

Final velocity is 13.37 m/s

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