Atightrope walker more easily balances on a tightwire if his pole
a) is held high.
b) droops.
c) is short but heavy.

Apossible explanation for a set of facts that can be tested by further investigation is called

How many times did thomas edison mess up the light bulb

Use the profile illustrated for problem (1). assume that the layer of silty sand fill (sm) is placed over the entire site. estimate the thickness of the fill (h - in feet) that will cause the effective vertical stress at the center of the clay layer to increase by 517.5 pounds per square foot.