Chapter 9, Problem 39P

(a)

To determine

ToShow: Successive bricks must extend no more than (starting at the top)

  $\frac{1}{2},\frac{1}{4},\frac{1}{6}\text{ and }\frac{1}{8}$ Of their length beyond the one below.

  

(b)

To determine

Whether the top brick is completely beyond the base.

(c)

To determine

Ageneral formula for the maximum total distance spanned by $n$ bricks if they are to remain stable.

(d)

To determine

The minimum number of bricks each $0.30\text{m}$ long and uniform is needed if the arch is to span $1.0\text{m}$ .