The cylinder in Fig. P2.154 accelerates to the left at the rateof 9.80 m/s2. Find the tension in the string connecting at rod ofcircular cross section to the cylinder. The volume between the rodand the cylinder is completely filled with water at 10 C.
Main concept. Humans are dependant upon a healthy planet. Our choices can be sustainable, or they can put excess pressure on our recourses. Environmental science is an interdisciplinary field of research that draws on the natural sciences social sciences and humanities Greenland vikings vanish Empirical science to observe middens, garbage samples Natural events and human choices led to demise of the greenland vikings Why tho = five factors 1 natural climate change mini ice age 2 self inflicted environmental damage overgrazing, overharvesting 3 Failure to respond to the natural environment would not eat fish 4 hostile neighbors refused inuit’s help 5 loss of friendly neighbors Europeans supplies stopped arriving Applied science, what is to learn from the vikings Environmental literacy is the ability to understand environmental problems Environmental problems they force us to make are choices they force us to make are frequently complicated They involve trade offs They have environmental, social, and economic (triple bottom line) Carrying capacity population size that an area can support indefinitely Ecological footprint= land needed to provide resources assimilate waste of a population. Anthropogenic= caused by or related to human action Ecocide= willful destruction of the natural environment. THe U.N. Millennium Ecosystem Assessment reported that due to humanity's actions the ability of earth's ecosystems to sustain future generations is gravely impaired. How wou