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    Check each of the following equations for homogeneity:
    The distance (s) travelled by a body in time (t) if it has initial velocity (u) and moves with constant acceleration (a) is given by:
    s=ut^2+1/2 at
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    Is that meant to say s = ut + (1/2)at^2 or is it intentionally wrong I wonder...
    Either way, write everything out in terms of its units and cancel where appropriate. If the LHS units match up to the RHS units, then you have homogeneity. If not then you don't (and the equation can't be right).

    (Original post by wallflower...)
    Check each of the following equations for homogeneity:
    The distance (s) travelled by a body in time (t) if it has initial velocity (u) and moves with constant acceleration (a) is given by:
    s=ut^2+1/2 at
 
 
 
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