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 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?

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?

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.

A three-year-old presents to the clinic with watery loose stools. The foster father reveals that the child has been in daycare and had a mild runny nose and cough three (3) days ago. Yesterday, the patient developed a low grade fever (100.80F) and began vomiting, and today the patient has had a few loose stools. The the emesis is non-bilious and the stools have had no blood or mucous. He has not been swimming in any fresh water pools or ponds.  The patient’s immunization status is unknown. What is the most likely underlying cause of this illness?

The genetic code is essentially the same for all organisms. From this, one can logically assume that a gene from an organism can theoretically be expressed by any other organism.

Type the best answer into the text box below: A tumor located in a neural region called the will specifically affect the swallowing reflex.

This section of a neuron must contain voltage-gated Ca2+ channels.

The surface of a skeletal muscle cell is specialized for strength and to conduct action potentials.  This is why it technically called the ______, rather than just the “plasma membrane”.