Which of Dalton’s laws were later disproven? (Select 2 that apply)

2. (40%) Shaft A has a modulus of elasticity of 10,000 ksi and a diameter of 3 inches. It is fastened to a hollow tube B (E = 30,000 ksi) with an outside diameter of 2 inches and inside diameter of 0.5 inches, which is welded to another shaft C (E = 30,000 ksi) with a diameter of 1 inch, as seen in the figure. Both the top and bottom of the assembly are attached to rigid supports. The assembly is loaded as shown in the figure. Ignoring the effect of gravity, determine The normal stresses in shaft A, tube B, and shaft C The deflection of cross section b-b

A 68-year-old male presents to the primary care office complaining of sudden-onset palpitations, chest pressure, and shortness of breath that began one hour ago. Vital signs reveal a heart rate of 162 bpm, blood pressure of 84/58 mmHg, and oxygen saturation of 91% on room air. He appears pale and diaphoretic. An ECG confirms supraventricular tachycardia. What is the most appropriate next step in management of this office emergency?

A 42-year-old male presents to your primary care office for follow-up after a recent emergency room visit, where he was diagnosed with a right lower lobe segmental pulmonary embolism (PE) and right popliteal deep vein thrombosis (DVT). His CTA confirmed PE, and Doppler ultrasound confirmed the DVT. He was started on heparin in the ER and transitioned to apixaban (Eliquis) upon discharge. He reports adherence to the medication. He also has a history of marijuana use. Which of the following is the most appropriate next step in the management of this patient?  

A 72-year-old patient presents to your clinic with complaints of frequent dizziness upon standing. He reports that symptoms are worse after large meals and in the early morning. His blood pressure drops significantly from a sitting to a standing position. Which of the following is the most appropriate initial management strategy?

During a Sprint Retrospective, answer to which of the following questions is not expected to be found?

Who is responsible for managing the Product Backlog in Scrum?

An agile team has worked together before. In their last project, the greatest negative criticism against them was the inaccuracy of their estimates. What should the team members do differently when preparing estimates for their new project?

The product owner works with all of the stakeholders in order to assess the overall priority of each backlog item in the product backlog

Describe one specific real-world design example where the 8 Golden Rules of UI Design have been applied. You must explain which of the 8 rules are reflected in the example.