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1 April, 21:53

A student solving for the acceleration of an object has applied appropriate physics principles and obtained the expression a=a1+Fm where a1=3.00 meter/second2, F=12.0kilogram⋅meter/second2 and m=7.00kilogram. First, which of the following is the correct step for obtaining a common denominator for the two fractions in the expression in solving for a?

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  1. 1 April, 23:25
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    For this case, the correct equation is given by:

    a = a1 + F / m

    Where,

    a1 = 3.00 meter / second2

    F = 12.0kilogram⋅meter / second2

    m = 7.00kilogram

    Substituting values we have:

    a = 3 + (12) / 7

    The first step is to make common factor 1/7:

    a = (1/7) (21 + 12)

    Then, we add the expression within the parenthesis:

    a = (1/7) (33)

    The result is:

    a = 33/7

    Answer:

    The first step is to make common factor 1/7:

    a = (1/7) (21 + 12)
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