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Book Chapter |
A very popular physics toy consists of two concave spherical mirrors facing each other like the shells of a clam. If a coin or button is placed on the surface of the lower mirror, its image appears in the hole at the…
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Merry Go-Rounds are the most egalitarian ride in that everybody can have a good time. As personal thrill tolerances increase, other rides are tried where the floor is pulled out from under you when the cylinder is…
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Millions of dollars of research and experimentation have been invested in car designs to minimize the adverse effects of air resistance. And here is the American household negating all efforts to maximize gas mileage…
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As a police cruiser drives by with its siren sounding, the pitch of the siren decreases. The same thing happens at the Indianapolis 500 as a race car passes you. The pitch of the engine is steady as the car approaches,…
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He’s full of hot air! We all know what this expression means. In this chapter, students of physics take a more substantial look at hot air knowing that hot air rises and is one means by which a hot-air balloon can soar…
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Michael Jordan makes it all look so easy. The ball gracefully glides in its arc and swishes through the net. All that polish from years of practice and no formal physics. Can a mathematical approach help to replicate…
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Have you ever taken your bathroom scales to an elevator for a ride? This is guaranteed to start an interesting conversation and you will be advancing the cause of physics at the same time. This chapter features several…
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The complexity of the human eye confounded Darwin. But his concept of adaptation and natural selection guided a steady stream of biologists who have collectively depicted a series of 40 steps, each a small advantage…
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We are all familiar with images formed by mirrors and lens. In fact, we often pay to see images produced in special ways. But what is an “image charge?” Does it have anything to do with optical images? This chapter…
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The technological products of the discovery of fission, notably the atomic bomb and nuclear power, have greatly elevated its importance in our culture. The chore in this chapter is somewhat modest in comparison to both…
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One person described how the bedroom wall moved across the room. Another watched as a huge wave of concrete traveled along the highway. We all saw the massive destruction when one bridge roadway collapsed on top of…
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What happens when you are given a problem that is either too complex to solve or one where there are crucial ingredients missing? Many problems are very complex and cannot be solved if all the complexity is included.…
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Newton was certainly not the first person to see an apple fall from a tree. He may, however, have been the first to imagine the apple and the Moon to be one and the same. To Newton, the Moon was merely a much larger…
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This chapter focuses on finding the magnetic field. In the Biot-Savart law, the magnetic field is perpendicular to both the current element and the radiusvector. The magnetic field points out of the plane determined by…
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The analysis of the rolling wheel has become much simpler. The kinetic energy of the rolling wheel is equal to the rotational kinetic energy of the wheel about its center of mass plus the kinetic energy of the entire…
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