tag:techtv.mit.edu,:Array/219318460 2008-06-16 00:45:16 -0400 wrenow MIT Physics lecture demonstration:<br />DYNAMICS - Conservation of Angular Momentum<br />The demonstrator sits on a rotating stool and holds a spinning bicycle wheel equipped with handles on each end of its axle. The wheel is held in a vertical plane passing through the axis of the stool. If the spinning wheel is turned into a horizontal plane, the stool will rotate in the opposite sense to the spin of the wheel. 66 tag:techtv.mit.edu,:Array/219294140 2008-12-15 15:40:12 -0500 MIT Department of Physics Technical Services Group Two identical metal balls are dropped from the same height using an electromagnetic release. One ball is dropped freely, while the other hangs from a string, acting as a simple pendulum. Using two photogates, we see that the vertical velocity of the dropped ball is identical to the horizontal velocity of the pendulum, measured at the same height. Potential energy has been converted to kinetic energy equally in both cases. 72 tag:techtv.mit.edu,:Array/219263000 2009-02-06 14:08:12 -0500 MIT Energy Initiative A community rally to support campus energy efficiency and conservation featuring: Theresa Stone, Executive Vice President, MIT Robert Armstrong, Deputy Director, MITEI Steven Lanou, Deputy Director, Environmental Sustainability, MIT Jason Jay, Organization Studies Group, Sloan School and the Campus Energy Task Force Tim the Beaver, MIT Mascot This rally took place on January 12th, 2009 as part of Energy Futures Week. 4669 tag:techtv.mit.edu,:Array/219241700 2009-02-24 15:27:06 -0500 Blended Learning Open Source Science or Math Studies (BLOSSOMS) BLOSSOMS-Ice Skater's Delight: The Conservation of Angular Momentum with Professor Walter Lewin 1375 tag:techtv.mit.edu,:Array/219213860 2009-06-10 14:04:53 -0400 MIT Department of Physics Technical Services Group Two pucks of the same mass are slid at each other on an air table, and their resulting collisions demonstrate conservation of momentum. Notice on the first collision, for example, that when a moving puck hits a stationary puck dead-on, that the second puck leaves with the same velocity as the first, and the first puck stops moving completely. 80