A long, thin rod of mass M and length L is standing straight up on a table. Its lower end rotates on a frictionless pivot. A very slight push causes the rod to fall over. As it hits the table, what are (a) the angular velocity and (b) the speed of the tip of the rod?
Reading Notes - Chapter 1 Thursday, January 21, 2016 9:08 PM All scientific methods used multifaceted observations to pursue consistent evidence when trying to answer questions about the natural world. All scientific investigations are centered on pursuing a question or an unexpected observation, but they do not necessarily test a hypothesis. A hypothesis is traditionally defined as a collection of softly propose mechanism for how the world operates or a comprehensive and complete explanation for why particular observations are seen. The universe is comprehensible. The most widely excepted scientific theories or ones that make accurate predictions that can be independently tested by other scientists. A body of related observations can be pieced together into a comprehen