B. find the maximum dry unit weight and optimum water content. c. determine the moisture range permitted if a contractor must achieve 95% relative compaction based on standard proctor effort. d. determine what volume of water, in cubic feet, must be added to obtain 1 yd3 of soil at the maximum dry unit weight if the soil had an original water content of 10%. water content (%) wet unit weight (pcf) 10 98 13 106 1

22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is located. two children throw stones at the nest with the same initial speed, one stone straight downward from the top of the cliff and the other stone straight upward from the ground. in the absence of air resistance, which stone hits the nest in the least amount of time?