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Marine dropped a Pen from her second story window. The pen starts from rest and hit the sidewalk 3 s later with a velocity of 20.1 m/s. Find the average acceleration of the of the pen.​

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The formula for acceleration is as follows:

[tex]a = \frac{v - v_0}{t}[/tex]

a = acceleration

V = final velocity

Vo = initial velocity

t = time

Following the above, acceleration is calculated as follows:

[tex]a = \frac{20.1 m/s - 0 m/s}{3 s}[/tex]

[tex]a = \frac{20.1 m/s}{3s}[/tex]

[tex]a = 6.7m/s^{2}[/tex]

The acceleration is 6.7 m/s^2.

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