Question

1. If your mass is 60kg, estimate your volume? [Hint: Your body's density is about the density of water. Next week we will be able to justify this using physics using the fact that your body floats in water.]

2. What is the difference in blood pressure (mm-Hg) between the top of the head and the bottom of the feet of a 1.45-m-tall person standing vertically? In this problem, you should assume that your blood is at rest.
3. A container of salad dressing is 75% water-like substance and 25% olive oil, with density 0.93 g/cm?3?. You have 0.50L of dressing. If the salad dressing is in a cylindrical container whose base has a radius of 2.5 cm, what is the height of the dressing? What volume of water would fill the container to the same level?

Answer 1

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