A ladder of weight [wl] N and length [lad] m leans against a frictionless vertical wall. The foot of the ladder is [base] m from the wall.The center of gravity of the ladder is located [cg] m from the foot of the ladder, measured along the ladder. A person of weight [wp] N climbs the ladder. The coefficient of static friction between the ladder and the floor is [mu].Calculate the maximum distance the person can climb along the ladder, measured from the foot of the ladder, before the ladder begins to slip.Enter your answer in meters.

A bullet of mass [b] kg is fired horizontally into a ballistic pendulum of mass [p] kg suspended by a cord of length [l] m. The bullet becomes embedded in the pendulum. The system swings to a maximum angle of [a] degrees from the vertical. Calculate the initial speed of the bullet.

Disk with cut out.png A uniform solid disk has an original mass of [mass] kg and an original radius of [radius] m. A circular hole of radius [hole] m is cut from the disk. The center of the hole is located [offset] m from the center of the original disk. Calculate the rotational inertia of the remaining disk about an axis passing through the center of the original disk and perpendicular to its surface. Enter your answer in kg·m².

A solution contains 32.0 g MgCl2 in 250.0 g H2O. What is the freezing point of the solution? (Assume the density of the solution is the same as water – 1.00 g/ml)

The decomposition of Br2 was monitored and the graph below was produced.  The slope of the line was found to be -0.030 s-1. What are the rate constant (k) and order with respect to Br2 for the reaction based on this graph? kinetics graph(1).jpg

The following is an energy diagram for the reaction: 2KClO3 à 2KCl + 3O2 energy diagram.gif Based on this diagram, which line (solid or dotted) represents the energy diagram of the reaction in the presence of the catalyst MnO2? What are the values of the activation energy (Ea) and ΔE for the catalyzed reaction?

Which problem related to ventilation should a physical therapist anticipate when examining a patient with a complete spinal cord injury at C7? 

A patient seen in the outpatient setting presents with right shoulder pain that is not reproducible with mechanical maneuvers. Abdominal examination reveals muscle guarding in the right upper quadrant. Which organ(s) might be the source of referred pain?  

Which of the following precautions should be observed by a physical therapist treating a patient diagnosed with pulmonary tuberculosis (TB)? 

Which anatomical structure is NOT associated with the sternal angle of Louis?