4. Why is it easier for you to slide on a carpet when wearing socks, as opposed to sneakers?

Jared is sufffering from a problem on one knee. his doctor suspects nerve damage. what can jared's doctor test to confirm whether jared has a damaged nerve?

The maximum blood pressure in the upper arm of a healthy person is about 120 mmhg. if a vertical tube open to the atmosphere is connected to the vein in the arm of the person, determine how high the blood will rise in the tube. take the density of the blood to be 1040 kg/m3.

Which of these gives the best indication that a health service is based on pseudoscience?