The Psychology of Human Sexuality

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The discussion focuses on the principles of collision mechanics, specifically differentiating between elastic and inelastic collisions. Elastic collisions conserve both momentum and kinetic energy, while inelastic collisions conserve momentum but not kinetic energy. Advanced concepts such as conservation of angular momentum are also addressed. The provided links offer resources for further exploration of these topics. Understanding these principles is essential for studying the dynamics of physical interactions.
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Author: Dr. Donald Luttermoser of East Tennessee State University
 

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Collisions

Collision concepts
http://hyperphysics.phy-astr.gsu.edu/hbase/colcon.html

Discussion of elastic collision.
http://hyperphysics.phy-astr.gsu.edu/hbase/elacol.html
http://hyperphysics.phy-astr.gsu.edu/hbase/elacol2.html

Inelastic collisions
http://hyperphysics.phy-astr.gsu.edu/hbase/inecol.html


A somewhat more advanced discussion of collisional mechanics, which can involve conservation of momentum and/or angular momentum. For elastic collisions, there is conservation of kinetic energy, which is not conserved in inelastic collisions.
http://www.virginia.edu/ep/Interactions/1__introduction_&_collision_kinematics.htm

http://www.virginia.edu/ep/Interactions/class_notes.htm
 

Thread 'Mousetrap Car Energy efficiency'

For simple comparison, I think the same thought process can be followed as a block slides down a hill, - for block down hill, simple starting PE of mgh to final max KE 0.5mv^2 - comparing PE1 to max KE2 would result in finding the work friction did through the process. efficiency is just 100*KE2/PE1. If a mousetrap car travels along a flat surface, a starting PE of 0.5 k th^2 can be measured and maximum velocity of the car can also be measured. If energy efficiency is defined by...
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