Blog

Determine the reactions at roller support A, fixed support B, and at joint C. If members BCD and AC are connected by a spring (EF) with a stretch of 7in and a spring constant k=30lb/in, and if the frame is subject to the loading condition shown, which include a 125lb・in concentrated moment, acting at the middle of the segment FB. Note: Remember that you need to show your Free Body Diagrams and all your equations of equilibrium to receive full credit for your solution. Submit work to Gradescope only. The Canvas assignment will not be graded.

A truss is supported by a pin support at A and roller support at H (shown below). Determine the forces in members BC, FC, GH and CG and whether the members are in Tension or Compression. Note: To receive full credit for your solution you need to show all your work, including a Free Body Diagram. Submit work to Gradescope only. The Canvas assignment will not be graded.

An investigator conducts a study comparing lowopril (a new ACE-inhibitor) to lisinopril in patients with uncontrolled hypertension. The NI margin is set at 6 mmHg. Lowopril lowered blood pressure by 6.1 mmHg and lisinopril lowered by 7.8 mmHg. The difference in blood pressure lowering was 1.7 mmHg (95%CI 0.1 to 3.3). Describe the appropriate interpretation of the results in the context of the NI margin.

A truss is supported by a pin support at D and roller support at A (shown below). Determine the forces in members EF, FC, AB and BF and whether the members are in Tension or Compression. Note: To receive full credit for your solution you need to show all your work, including a Free Body Diagram. Submit work to Gradescope only. The Canvas assignment will not be graded.

Determine the reactions at fixed support A, roller support E, and at joint B. If members ABC and BE are connected by a spring (DF) with a stretch of 5in and a spring constant k=20lb/in, and if the frame is subject to the loading condition shown, which includes a 175lb・in concentrated moment, acting at the middle of the segment AF. Note: Remember that you need to show your Free Body Diagrams and all your equations of equilibrium to receive full credit for your solution. Submit work to Gradescope only. The Canvas assignment will not be graded.

Optional up to 2 points of extra credit: Here we see the concentration of the SARS-CoV-2 virus in wastewater for the past three years of the COVID pandemic, tracking the repeated waves of infection we have experienced in the U.S. across different regions. Image courtesy of CDC: https://www.cdc.gov/nwss/rv/COVID19-nationaltrend.html Copyright 2025 by Dr. Jonathan A. Miller. All rights reserved. Online sharing or distribution is prohibited. For exam use only in BIOL& 260: Microbiology at Edmonds College. Outside help is not allowed. 1. How is it that we are able to measure SARS-CoV-2 in wastewater, i.e., what does this tell us about infections with this virus? What is it that we are measuring in this wastewater? 2. Make a prediction based on this graph and your understanding of the ongoing COVID pandemic. Where do you think cases will go from here? I.e., will they stabilize at a low level, or will they go up again? Explain your thinking – why do you think cases will behave as you predict, and what variables will contribute to that trend.

Choose one of the following for your essay: 1.) Frankenstein and Poor Things both explore the idea of monstrosity. Who are the monsters in these stories? What monstrous acts occur in each? How do the novel and the movie go about showing monstrosity? 2.) Giovanni’s Room and Moonlight both explore the intersection of sexuality and masculinity. How do the struggles of David and Chiron compare? How do their environments shape those struggles? 

The nurse is caring for a 3-year-old child who suffered a smoke inhalation injury. The nurse explains to the parents that their child is at the high risk for developing pulmonary edema after exposure up to how many hours?

What is the IRF-PAI?

Treatment delivery under the Patient Driven Payment Model (PDPM) in a skilled nursing facility has a 25% limit on group and concurrent therapy, combined per discipline, per patient in a covered Medicare Part A stay. This means therapy must be delivered on an individual basis at a minimum of 75% of the total treatment for a therapy episode