More specifically, the SFM aimed to represent the interaction force among individuals in a crowd using the repulsive and attractive forces, which was shown to be a significant feature for analyzing crowd behaviors. , is the historically seminal method for modeling crowd behaviors according to a set of predefined physical rules. The Social Force Model (SFM), originally introduced by Helbing et al. Vittorio Murino, in Group and Crowd Behavior for Computer Vision, 2017 11.3.1 Social Force Models Briefly explain why the cars end up where 1 you drew them.Sadegh Mohammadi. Sketch a picture of how the cars would have come to rest had the driver's story that ran the stoplight been true. Which car ran the stop sign? Explain your answer in terms of our momentum studies.
#IMPULSIVE FORCE MODELS DRIVER#
Driver A says that after stopping at the stop sign and then proceeding, car B ran the stop sign so there was no time to stop before hitting the side of car B B Driver B says that after stopping at the stop sign car A's path and then proceeding, car A came out of nowhere, stop evidently running the stop sign and T-boning car sign B.
#IMPULSIVE FORCE MODELS DRIVERS#
Both drivers had intended to travel through the intersection without turning. Accident investigators come upon the following scene involving a collision between two cars of similar mass. Which will experience the greatest acceleration? Justify your answer.Ĩ. Which will experience the greatest change in momentum? Justify your answer. When a bug smacks into your windshield, which gets hit harder, the bug or the windshield? Justify your answer. 0000 KLM A practical application related to question 6. Will either technique get the boat to shore? Which technique would work best? Explain your answer in terms of impulse and momentum. The skipper's only piece of auxiliary equipment is a large fan, which can either be set up to blow air into the sail or the fan can be pointed the off of the back of the boat with the sail taken down. A sailboat is stalled on a lake on a windless day. Calculate the force needed to hold a 6 cm diameter fire hose in place when the water flow rate is 110 m3/hour. Why is it difficult for a fire-fighter to hold a hose that ejects large amounts of high-speed water? b. Comment on the advisability of attempting to jump from a rowboat to a dock that seems just within jumping distance. event: initial final mass/object/velocity mass/object/velocity + 0 Momentum conservation equation: 4. Complete the momentum conservation diagram and determine the final velocity and direction the raft. The two swimmers simultaneously dive off opposite ends of the raft, each with a horizontal velocity of 3 m/s. A raft of mass 180 kg carries two swimmers of mass 50. event: initial final mass/object/velocity mass/object/velocity + 0 0 Momentum conservation equation: ©Modeling Instruction - AMTA 2013 1 U9 Momentum - review v3.1ģ. From these data, complete a momentum conservation diagram and determine the original speed of the bullet. After the shot, the cart, wood, and bullet moved at a constant speed, traveling 8.0 m in 4.0 s. g and the wood and its cart had a mass of 20. In one experiment the bullet had a mass of 50. Assuming no friction, we then measure the velocity with which the wood containing the bullet and cart begin to move. One way of measuring the muzzle velocity of a bullet is to fire it horizontally into a massive block of wood placed on a cart. What is the magnitude and direction of the velocity of the combined mass after the collision? event: initial final mass/object/velocity mass/object/velocity 0 0 Momentum conservation equation: 2.
Complete the momentum conservation diagram. The balls stick together after the impact.
A ball of mass 3.0 kg, moving at 2 m/s eastward, strikes head-on a ball of mass 1.0 kg that is moving at 2 m/s westward.
Transcribed image text: Name Date Pd Impulsive Force Model: Impulse-Momentum Review Sheet 1.
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