Practice Quiz #2 Problem 3

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    I was going over the practice quiz #2 which states the following:

    A 200 kg block is placed on an inclined place with angle of inclination 40 degrees with coefficient of kinetic friction u = 0.05. What is the acceleration of the block?

    Formula I used:
    a = g sin(40) – ug cos(40)

    The answer key states it is 6.3 m/s^2.

    However I get 5.9 m/s^2. Is my answer or the one on the answer key wrong?

    • This topic was modified 4 years, 9 months ago by  SyntaxO.
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