Find the direction cosines of a vector
Find the angle between the position vectors to the points (3, -4, 0) and (-2, 1, 0), and find the direction cosines of a vector perpendicular to both.
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A has a mass of 5kg and B has a mass of 7 kg. The coefficient of friction action on A is 0.325. Use conservation of enrgy to calculate the velocity of the masses after B starting from rest has fallen a distance of 1.65 m.
A circular tube of outer diameter 5 cm and inner diameter 4 cm is used to convey hot fluid. The inner surface of the wall of the tube is at a temperature of 800C, while the outer surface of the wall of the tube is at 250C.
What are the vectors joining the atom at .25*A*(i+j+k) to its four nearest neighbors? Determine the angle between the carbon bonds in a diamond.
Estimate the rate (in gal/hr) that your car uses gasoline when it is being driven on an interstate highway. Determine how long it would take to empty a 12-oz soft drink container at this flowrate.
A 300 Ib force acts on the bracket as shown in the figure below. Find the moment it produces about point A using scalar methods. Express your answer in terms of the magnitude and sense of rotation of the moment.
Determine a set of (non-orthogonal) base vectors a = j + k, b = i + k, and c = i + j. (a) Establish their reciprocal vectors and hence express the vectors p = 3i - 2j + k, q = i + 4j, and r = -2i + j + k in terms of the base vectors a, b, and c.
A perfect gas flows through an insulated passage with no shaft work. The entering conditions are T1 = 290 K,P1 = 350 kPa, and V1 = 200 m/s. What is the ratio of the exit diameter to inlet diameter?
Diameter spaced longitudinally every 6 in. knowing that the average allowable shearing stress in the bolts is 10.5 ksi determine the largest allowable vertical shear in the beam.
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Nursing interventions when caring for a client who is admitted with a DVT/VTE include which of the following? Select all that apply.
The population (P), intervention (I), comparison (C), outcome (O), and time (T), or PICOT, format was used to prepare the following clinical question
A 68-year-old man who is obese and has a history of previous stroke with mild residual, left-sided hemiparesis was left at home for "few hours" by his relatives
Which term does the American Academy of Pediatrics (AAP) use for the collective issues that health-care providers see in many adolescent patients today
The NP is reviewing labs and finds the following: WBC 2.9 (Reference Range 3.90-10.70 ) Hemoglobin 7.2 (Reference Range 12.1-16.1 mg/dL
Diabetes during pregnancy has been increasing over the past two decades. In the U.S., up to 9 percent of pregnant women develop gestational diabetes.
(P) Adult patients with Type 2 Diabetes (I) Taking Metformin medication (C) Compared to not taking metformin but sticking to regular exercise