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Catapult Learning, Inc. is a provider of K−12 contracted instructional services to public and private schools in the United States. The company’s portfolio of products and services includes intervention, professional development, school improvement, assessment, dropout prevention and recovery, alternative education, and special education ...
The idea of the catapult effect is central in our day-to-day lives as it greatly contributes to our understanding of the electric motor (which we use in numerous appliances from washing machines to vacuum cleaners and cars). The catapult effect helps to explain the movement of the motor itself and is thus used widely in science.
Basic diagram of an onager, a type of catapult. A catapult is a ballistic device used to launch a projectile a great distance without the aid of gunpowder or other propellants – particularly various types of ancient and medieval siege engines. [1] A catapult uses the sudden release of stored potential energy to propel its payload.
A slingshot or catapult is a small hand-powered projectile weapon. The classic form consists of a Y-shaped frame, with two tubes or strips made from either a natural rubber or synthetic elastic material. These are attached to the upper two ends. The other ends of the strips lead back to a pouch that holds the projectile. One hand holds the ...
The National Catapult Contest originated out of a simple directive from the Academic Development Committee of Indianapolis' Park School for Boys (now Park Tudor School) in December 1965, which "urged the faculty to review continuously the content and method of their instruction," and "further, not to forego unusual methods of stimulating the interest and involvement of students."
A mass driver or electromagnetic catapult is a proposed method of non-rocket spacelaunch which would use a linear motor to accelerate and catapult payloads up to high speeds. Existing and proposed mass drivers use coils of wire energized by electricity to make electromagnets , though a rotary mass driver has also been proposed. [ 1 ]
Crossbows and Catapults, also known as Battlegrounds, is a game of physical skill first released in 1983.It has since been published by several different game publishers including Lakeside, Alga (), Base Toys, Tomy and currently Moose Toys (under the name Battlegrounds Crossbows and Catapults).
In the Print/export section select Download as PDF. The rendering engine starts and a dialog appears to show the rendering progress. When rendering is complete, the dialog shows "The document file has been generated. Download the file to your computer." Click the download link to open the PDF in your selected PDF viewer.