For dialysis membranes the lp was determined to be 6.34 x 10-7 cm min-1 mm hg-1. a cylindrical hole 1 cm in diameter was cut in two lexan pieces that were then bolted together with the membrane between. fluid entered one side through a pump and a pressure transducer was affixed. the flow was adjusted until the pressure (above atmospheric) was 2 pascals. the pressure on the opposite side was atmospheric (zero). what was the flow through the membrane?

Contrast the force of gravity between these pairs of objects a 1 kg mass and a 2 kg mass that are 1 m apart and two 2 kg masses that are 1 m apart

The key to stability is feedback between the reservoir and the fluxes into and/or out of the reservoir. assume that the rate of outflow from a reservoir depends on the size of the reservoir according to the following relationship: outflow rate= k x (size of reservoir), where k is a constant. a reservoir of water has a volume of 5000 liters, and the rate of outflow at steady state is 25 liters per minute. what is k? (give both the numerical value and its units.) what is the residence time? what is the relationship between k and the residence time?

15. give an example for some particles or waves that are moving faster than light in everyday life 16. what is a laser? 17. what is an oscilloscope? 18. what does it means practically that nothing is faster than light in vacuum? 19. what is vacuum?