Abarrel contains a 0.165-m layer of oil floating on water that is 0.265 m deep. the density of the oil is 640 kg/m^3. what is the gauge pressure at the oil-water interface?
what is the gauge pressure at the bottom of the barrel?

In the first law of thermodynamics, triangle e=q-w, what does q stand for

Sound is a disturbance that travels through a medium as a

7. see worksheet 1 for values of variables x1, x2 and x3 and answer the following questions: a. for each variable find the mean, median, coefficient of skewness, range and population standard deviation. b. compared to variable x1, how are the mean and median affected by extreme values (outliers) seen in x2 and x3. c. is the median or mean the better measure of location for x2 and x3? explain. d. explain the differences in the magnitudes of the skewness coefficients for the three variables. e. what is the relationship between the range and standard deviation looking across the three variables?