Sine waves and Decibels. Southern Methodist University EETS8302 Fall 2005 Lecture 3 Typographic error on p.11 corrected Slides only. (No notes.). PSTN Transmission Technology in 1960. Analog transmission of voice channel signalsBy brooklyn
Sine waves and Decibels. Southern Methodist University EETS7320 Fall 2007 Lecture 3 Slides only. (No notes.). PSTN Transmission Technology in 1960. Analog transmission of voice channel signalsBy raine
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Impulse. Storm Damage. A house takes damage from the force of a 60 mph gale-force wind. If the house is subject to a hurricane at 120 mph the force on the house is A) Equal. B) Two times stronger. C) Four times stronger. D) Eight times stronger. Linear Momentum.
Impulse. Impulse - the change in __________. Hitting something for a certain _____ _______ . I =. I =. Units =. The greater the force = the ____ the time interval. SO: the _____ damage that is done. Examples. How do airbags work?. Without air bags, you hit something and stop.
Impulse. A change in momentum. How to change momentum. Any object that has momentum is going to be hard to stop To stop an object a force needs to be applied to the object, against the object’s motion and for a certain period of time
Impulse. Nonzero Force. When momentum changes in a system, an external force has acted. Constant force like gravity Position-dependent force like the elastic force Time-dependent force during brief contact. p i. p f. F ( t ). before. after. Force of Collision.
http://www.youtube.com/watch?v=YFzNKBZehSU. Impulse. Chapter 8.2. An impulse transfers momentum. Impulse Objectives. What is impulse? What is the impulse equation? What occurs through impulse? How are impulse and change in momentum related?
http://www.youtube.com/watch?v=YFzNKBZehSU. Impulse. Chapter 8.2. An impulse transfers momentum. Impulse Objectives (leave space between each question). What is impulse? What is the impulse equation? What occurs through impulse? How are impulse and change in momentum related?
Impulse. Principles of Physics. Impulse . Forces cause acceleration Acceleration is a change in velocity with respect to time Change in velocity results in a change in momentum. F net = net force (N) m = mass (kg) ( v f – v i ) = change in velocity (m/s) t = time (s).
Impulse. By: Ellen Hopkins. About Ellen Hopkins. Referred to daughters life. Was adopted. Loves poetry. Lives in Northern Nevada Crank, Glass, Impulse, Tricks, Burned. Characters. Vanessa- Cuts Tony- Pills Connor- Gun. Protagonist. There isn’t really a protagonist. Antagonist.
Impulse. Chapter 8.2. An impulse occurs when momentum is transferred. Impulse Changes Momentum!. The change in momentum depends on the impulse, which is calculated by the impact force times the length of time it acts. Impulse vs. Pressure.