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Repeat your essay on how initial, average and final velocities are related for an object on a uniform incline, as opposed to a sliding board or a snowball.  Don't quote formulas, reason in terms of graphs and common sense.

What is the shape of the graph of velocity vs. clock time for an object on a uniform incline?  What is the shape if the object is rolling down a sliding board?  What is the shape of the graph if the object is skiing down a snowball?

Bring a copy of a length of single rubber band vs. length of doubled rubber band from the rubber band activity. 

How did the forces exerted by the single rubber band and the combined forces of the two rubber bands compare, and how do you know this is the case?

Give your data and results from the ball rolling down the indentation binding of the textbook.  What is the slope of your graph of v vs. t?

Note example: