problem solving

Dr. Armwood ENGR 1020-2 10/2/2014

Homework: Problem Solving Format

Assigned 10/2/2014-Due 10/8/2014

Solve the following problems and present your work using the problem solving format discussed in class on engineering paper. Make sure to box in your final answer. You will be graded 90% of each problem on your format and 10% of each problem on your answer. Each problem is worth 10pts.

Problem #1:

A simple roof truss design is shown in Figure below. The lower section, VWXY, is made from three equal length segments. UW and XZ are perpendi6cular to VT and TY, respectively. If VWXY is 2.0 x 101 m and the height of the truss is 2.5m, determine the lengths of XT and XZ.

W

X

Y

Z

T

U

V

Problem #2

What is the area and circumference of a circle with a radius of 4 in.

Problem #3

A small town purchased a 25 ft. diameter cylindrical tank for potable water in the event of an emergency. The town consists of 3,600 family units. If each family were to collect 25 gallons of water, what would be the minimum height of the tank?