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Description
In this program, animated graphics help to define the concept of angular momentum and to express the relationship between moments and the rate of change of angular momentum. Problems include determining the dimensions needed for an airplane's ailerons and the amount of force required to rotate a toy spaceship. The reasons why a spinning top shows precession are also addressed.
3) Momentum
4) Momentum
5) Momentum
6) Momentum
Description
"Paul Andersen will first define momentum as the product of an object's mass and velocity. He will then demonstrate how a net force acting on an object will change the momentum in the direction of the force. Several problems will be included."--
7) Momentum
8) Momentum: 1
Description
Things really get spinning with a discussion of accelerated circular motion. Then the Standard Deviants cover rotational motion, which is the rotation of objects like planets. Along the way you'll learn about radical radians and other science lingo. Finally, we'll look at linear momentum and its companion, the Principle of Conservation of Linear Momentum. The study of motion in a circle applies to a wide range of activities: from Ferris wheels to...
Description
Use this second practice set to keep refreshing and practicing the concepts related to definitions of momentum, definitions of impulse, impulse momentum theorem, interpreting force time graphs, impulse and Newton's second law, conservations of momentum, elastic collisions, and inelastic collisions.
Description
This first 15-question physics review will help you refresh and practice the concepts related to definitions of momentum, definitions of impulse, impulse momentum theorem, interpreting force time graphs, impulse and Newton's second law, conservations of momentum, elastic collisions, and inelastic collisions.
Description
Amidst the heartbreak of Alzheimer's disease, there is real reason for hope. This program goes inside the labs and clinics of 25 leading scientists and physicians who are seeking to discover how to better detect and diagnose the disease, delay the onset of memory loss, affect the brain changes associated with the disease, and ultimately prevent the disease altogether. Alzheimer's hallmark beta-amyloid plaques and tau tangles are investigated, as well...
Description
In section one of this program, colliding basketball players demonstrate the Principle of Conservation of Momentum, while section two debuts all three of Newton's Laws of Motion, as illustrated by moving a large bookcase, hanging from a rope, and pushing against a wall. Newtonian concepts of inertia, force, mass, weight, equilibrium, tension, and momentum, plus free-body diagramming, are also covered. "Live the laws, love the laws, be one with the...
Author
Description
From the Publisher: For the first time in history, humans have exceeded the sustaining capacity of Earth's global ecosystems. Our expanding footprint has tremendous momentum, and the insidious explosion of human impact creates a shockwave that threatens ecosystems worldwide for decades-possibly centuries. Walter K. Dodds depicts in clear, nontechnical terms the root causes and global environmental effects of human behavior. He describes trends in...
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