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Knows that laws of motion are used to calculate precisely the effects of forces on the motion of objects; the magnitude of the change in motion can be calculated using the relationship F=ma.

Why Tailgating on Freeways is Unsafe: A Real-life Example Using Quadratic Equations

We discuss how to compute the stopping distance of a car traveling at a given speed-- a real life application of a math topic, quadratic equations, and science topics, such as motion, kinetic energy, and work done. We also discuss the idea that while mathematics can be utilized to model real life situations, there is much more to consider, if one wants more refined and appropriate solutions to real life problems.

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Why Is There a Tidal Bulge Opposite the Moon?

Demonstrate and calculate the reasons for tidal bulges of water on both hemispheres of Earth, due to the Moon.

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Thermo and Fluid Dynamics of a Homemade Lava Lamp

Lava lamps are just cool, that's all there is to it. Most everyone has spent at least an hour of their life just staring at a lava lamp. While the experiment outlined here isn't really the same as a commercial lava lamp it does demonstrate many of the important fluid and thermodynamic properties. Most importantly it provides students with an interesting and fun visual demonstration intended to motivate thought about the physics behind the experiment itself.

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Who Hits Harder: The Nordic Skier or Aerial Jumper?

Computer modeling is used to estimate physical quantities that are difficult to measure, in this case, the landing shock experienced by ski jumpers. The landing shock is difficult to measure because attaching instruments to the skiers would affect their balance and possibly cause them to fall or reduce their performance. Using basic principals of physics, the flight trajectories of two forms of competitive ski jumping, Freestyle Aerialist and Nordic Jumpers, were modeled and the landing shocks compared.

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The Fall of the Ruler

This activity teaches how an ordinary ruler can measure (human reaction) time.

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Right Place, Wrong Time

It's important to check the results from an experiment. Does the result make sense? Does it follow from other facts that are known? From the standpoint of teaching High School science, checking if one's results are sensible adds an additional layer of safety that the results are correct. (From the standpoint of advancements in Science, a basic research tenet is that results must be repeatable and not just a fluke.

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Launch Speed

This example is a simple application showing how Newton's laws of motions are used on aircraft carriers. As with any practical application of physics, it is important to be aware of your units of measure, and the meanings of all the terms in the equations.

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Earth Turns? Prove It!

We are all told that the Earth turns and we accept that. But an actual demonstration of how scientists proved this can have lasting impact on the acceptance of this authoritative statement and also on how students judge other authoritative statements for themselves, scientific or otherwise. Satisfying oneself that Earth does actually rotate shows what can be done to encourage such thinking.

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