PPT-Ch.6.3 Elastic and Inelastic Collisions

Bell Ringer A 40 kg miniature horse runs west at 8ms What is the force of impact if it hits a wall and comes to a stop in 05s Objectives We will demonstrate and apply the laws of . J. . Aldegunde. , . Piotr. . Żuchowski. and Jeremy M. . Hutson. University of Durham. EuroQUAM. meeting. Durham. 18th April 2009. TexPoint fonts used in EMF. . Read the TexPoint manual before you delete this box.: . (d)define . linear momentum as the product of mass and velocity. (e) define force as rate of change of momentum. (f) recall and solve problems using the relationship F = ma, appreciating. that acceleration and force are always in the same direction. Shyamnath Gollakota. Dina Katabi. The Hidden Terminals Problem. Collision!. Alice. Bob. The Hidden Terminals Problem. Alice. Bob. More Collisions!. Retransmissions. Can’t get any useful. connections. & Energy in Collisions. Given some information, & using conservation laws, we can determine a . LOT. about collisions without knowing the collision forces! To analyze . ALL. collisions:. . SSEMI2c, 3b: . Explain. and illustrate the effects of price floors and ceilings. . The intersection of supply and demand. Equilibrium Price. Where Demand and Supply Meet. Equilibrium is the point where Demand and Supply cross. 1. Chapter 6. Elasticity. 2. Concepts in this chapter:. Price elasticity of demand. Cross price elasticity of . demand. Income elasticity of demand. Price elasticity of supply. Elasticity measures sensitivity. Elasticity of Demand describes the percentage change in . quantity demanded. that follows a price . change.. Elasticity of Demand. Demand is . Elastic. Demand is . Inelastic. . Change in Price. Large Change in . Inelastic vs. Elastic. Pg. 233 – 239. Pg. 240 - 248. Momentum vs. Energy. All interactions conserve momentum.. They do . not necessarily. conserve kinetic energy.. Obvious example: Explosions. Kinetic energy before is zero.. Contents:. Quandary. Elastic vs inelastic. Demos. Quandary. Before. v = 560 m/s. m = 100. grams. Block O . Wood. v = 0 m/s. m = 845 grams. After. Bullet. and. Block combo. v = ???. Calculate:. Velocity after. The truth about …. The only way to tell …. … whether a collision is elastic or inelastic is to find out whether . kinetic energy . is conserved or not.. You have to calculate the kinetic energy before and after the collision.. & Energy in Collisions. Given some information, & using conservation laws, we can determine a . LOT. about collisions without knowing the collision forces! To analyze . ALL. collisions:. . Corina. . Bot. , PhD (NJIT, C. 2. PRISM). Keri . Salvador (NJIT, C. 2. PRISM). Caroline . Savio. (ESHS, NPS). Career Day. May 11. th. , . 2010. Outline of Presentation. About Collision Course Applet. Statistics. “One out of every four accidents can be blamed on poor backing techniques”. - National Safety Council. …If only trucks would bend…. Statistics. The cost of “Property Damage Crash” (a typical backing up accident) is presently estimated at an average of $7,400 per event. THE LAW OF DEMAND TELLS US:. When price increases, the QUANTITY demanded decreases, and when prices decrease, the QUANTITY demanded increases.. Why does the . Qd. change?. Consider what happens when Oakland apartment rents increase:.