In medicine, it is often important to monitor the blood flow in certain areas of the body. However, the movement of blood is difficult to monitor directly. Instead, some medical devices use the Hall effect, taking advantage of the fact that the blood flowing through a vein contains a considerable number of free ions. B - + Model the vein in a patient's arm to be of rectangular cross section, as shown in the figure, with a width w = 4.00 mm and height h = 3.65 mm. The entire section of the vein is immersed in a constant magnetic field of B = 0.0955 T, pointing horizontally and parallel to the width. A medical device constantly monitors the resulting Hall voltage. Suppose that medical precautions mandate that the speed of the blood flow for this particular component of the body should never drop below 15.80 cm/s. At what minimum Hall voltage VH, in millivolts, should the medical device be designed to trigger an alarm to the medical staf?

Your employer is planning to build several cylindrical storage tanks that will hold fuel. He has decided that all of the cylindrical storage tanks should be the same size, but due to space constraints, is unsure what the diameter and height of each tank should be. Also, he currently does not know exactly how much fuel he will need to store. You are tasked with creating a "flexible" spreadsheet for your employer that will calculate the total volume of several cylindrical storage tanks. The following requirements should be met: • The input section should include inputs for: tank diameter (feet), tank height (feet), number of tanks built and total amount of fuel to be stored (gallons). Enter the following values in the input section of your spreadsheet: O Tank Diameter (feet) = 28 o Tank Height (feet) = 20 o Number of Tanks Built (ea) = 3 O Total Amount of Fuel to be Stored (gal) = 275,000 • The calculation section should compute: o Volume of One Tank (cubic feet AND gallons) o Total…

A hanging magnesium wire with diameter 0.15 cm is initially 2.1 m long. When a 45 kg mass is hung from it, the wire stretches an amount 1.31 cm. A mole of magnesium has a mass of 24 grams, and its density is 1.74 g/cm³. Part 1 (a) What is the length of an interatomic bond in magnesium (diameter of one atom)? d = i m

Fluids Q5