Arnold enters a darkened movie theater on a sunny summer afternoon. It takes many minutes for his eyes to adapt to the darkness because 

 Smell and taste disorders may be caused by 

 Fibers of the spinothalamic tract transmit pain and temperature information to the 

 The hormone that stimulates calcium deposition into bone is 

This question requires uploaded work.  You will upload the work for this question after completing the test to the assignment in Canvas called “Test 3 Uploaded Work”.  TYPE YOUR FINAL ANSWER HERE using the equation editor if needed (it is accessed using the button that has a square root of x on it).  Your typed answer must match your uploaded work to receive credit for the question.   Given that

A 4-inch diameter, 60-inch long steel shaft is observed to rotate 0.125 radians.  Shear modulus is 12 Msi.  Determine the stress in the shaft.  Provide your answer in ksi, but do not include units in your answer.

Given the t-section shown in Question 17,  which is the best choice for the variable used to represent distance from the neutral axis to the centroid of area 1?

Given the timber shown in Question 4, which is subject to axial force and resisted by a bolt in double-shear, which choice is the net-section normal stress in the timber?

An aluminum rod is 3 meter long.  How much will it elongate due to a temperature increase from 20 degrees C to 100 degrees C?  Provide your answer in mm, but do not include units in your answer.  Use a thermal expansion coefficient of 24 C-1.  Use the equations shown below for this exam.

Which element resists more of the gravity (downward)force caused by the foot?  The outer element is a relatively stiff cardboard tube.  The inner element is soft foam.