Aheterogeneous mixture is a

a. mixture that always contains water.
b. mixture in which its components retain their identity.
c. mixture in which its components can't be separated.
d. component added to sand that makes it inseparable.

If an inclined plane is 5 m long and 2 m high, what is its mechanical advantage? a. 2.5 b. 3 c. 7 d. 10

How is zig zagging a form of acceleration?

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.