Solved: Determine the force in members BC, CH, GH, and CG

Classical Mechanics 0
Write down the Lagrangian for a projectile (subject to no air resistance) in terms of its Cartesian coordinates (x, y, z), with z measured vertically upward. Find the three Lagrange equations and show that they are exactly what you would expect for the equations of motion.

Chemistry 12
Write Lewis structures for BrF3, ClF5, and IF7. Identify those in which the octet rule is not obeyed.

Physical Chemistry 8
Use symmetry properties to determine whether or not the integral pxzpzd is necessarily zero in a molecule with symmetry C4v.

Human Anatomy & Physiology 9
Lymphocytes that develop immunocompetence in the bone marrow are (a) T lymphocytes, (b) B lymphocytes, (c) NK cells, (d) B and T lymphocytes.

Quantitative Chemical Analysis 8
In a coulometric Karl Fischer water analysis, 25.00 mL of pure dry methanol required 4.23 C to generate enough I2 to react with the residual H2O in the methanol. A suspension of 0.847 6 g of finely ground polymeric material in 25.00 mL of the same dry methanol required 63.16 C. Find the weight percen

Urban Economics 8
The 19th century brought many changes in commuting, from walking to omni- buses, electric trolleys (streetcars), and subways. a. For each commuting method, draw a housing-price curve for a monocentric city, labeling each curve with the date on which the method was introduced. b. Over time, the feasib

Biology: The Dynamic Science 5
Which sense involves the greatest number of different receptor proteins in terrestrial animals? a. vision b. somatosensation c. hearing d. gustation e. olfaction