HW: 3-6-7 The shape below has a cut at point a along the entire length of the member thus making it an open section. Determine the maximum shear stress for the shape. Compare the stress for this open shape to a shape without a cut.

If you put a helium-filled balloon in the refrigerator, what will happen?

Avector of magnitude 2 cannot be added to a vector of magnitude 3 so that the magnitude of the resultant is a. zero b. 1 c. 3 d. 5 e. 7

Which statement is the best definition of an atom? a) anything that has mass and occupies space. b) the smallest particle that has the properties of an element. c) a substance that cannot be broken down chemically into simpler substances. eliminate d) the smallest unit of a substance that exhibits all of the properties characteristic of that substance.