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21-09-2020
Physics

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find the acceloration for xf=2.5m+(8.7m/s)t+(2.9m/s2)t2

When i put in 2.9 m/s2 it said i was wrong

Respuesta :

MathPhys MathPhys

21-09-2020

Answer:

5.8 m/s²

Explanation:

The kinematic equation relating displacement, initial velocity, acceleration, and time, is:

Δx = v₀ t + ½ at²

So the coefficient of the t² term is ½ a.

½ a = 2.9 m/s²

a = 5.8 m/s²

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