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<html xmlns:v="urn:schemas-microsoft-com:vml" | ||
xmlns:o="urn:schemas-microsoft-com:office:office"> | ||
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<style TYPE="text/css"> | ||
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body { | ||
font-family: Verdana, Arial, Helvetica, sans-serif; | ||
font-size: 12pt; | ||
color: #405050; | ||
background-color: #FFFFFF; | ||
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h1 { | ||
font-size: 24pt; | ||
text-align: center; | ||
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h2 { | ||
font-size: 16pt; | ||
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<title>Rolling and Slipping</title> | ||
<meta http-equiv="content-type" content="text/html;charset=iso-8859-1"> | ||
<meta name="author" content="Stan Dodds, Douglas Brown"> | ||
<meta name="keywords" content="AAPT, hoop"> | ||
</head> | ||
<body > | ||
<h1>Rolling and Slipping</h1> | ||
<p>This collection contains multiple videos of a PVC pipe rolling down an inclined plane. At low angles, the pipe rolls without slipping, but above a critical angle it both slips and rolls. This behavior is analyzed in the <strong>Roll and Slip Experiment</strong>.</p> | ||
<p>Select a video node to learn more. Double-click the <strong>Roll and Slip Experiment.pdf</strong> node for full laboratory instructions.</p> | ||
</body> | ||
</html> |
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<html xmlns:v="urn:schemas-microsoft-com:vml" | ||
xmlns:o="urn:schemas-microsoft-com:office:office"> | ||
<head> | ||
<style TYPE="text/css"> | ||
<!-- | ||
body { | ||
font-family: Verdana, Arial, Helvetica, sans-serif; | ||
font-size: 12pt; | ||
color: #405050; | ||
background-color: #FFFFFF; | ||
} | ||
h1 { | ||
font-size: 24pt; | ||
text-align: center; | ||
} | ||
h2 { | ||
font-size: 16pt; | ||
} | ||
--> | ||
</style> | ||
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<title>Rolling and Slipping</title> | ||
<meta http-equiv="content-type" content="text/html;charset=iso-8859-1"> | ||
<meta name="author" content="Stan Dodds, Douglas Brown"> | ||
<meta name="keywords" content="AAPT, hoop"> | ||
</head> | ||
<body > | ||
<h2>Roll and Slip Experiment</h2> | ||
<h3>Double-click for full laboratory instructions.</h3> | ||
<p>Note: these instructions were written for other video analysis software, but they contain excellent discussions of theory, experimental setup and analysis.</p> | ||
</body> | ||
</html> |
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<html xmlns:v="urn:schemas-microsoft-com:vml" | ||
xmlns:o="urn:schemas-microsoft-com:office:office"> | ||
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<title>Thermal Spectrum: Cool</title> | ||
<link rel="stylesheet" type="text/css" href="http://physlets.org/tracker/css/library.css"> | ||
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<h2>Thermal Spectrum: Cool</h2> | ||
<p>This is the spectrum of a 60W "soft white" incandescent lamp with HeNe red (633nm) and green (543 nm) laser spots for calibration. The lamp is being operated at a reduced voltage and is significantly dimmer. Is there also a shift in the peak wavelength?</p> | ||
<p align="center"><img src="../images/thermal_cool.jpg"></p> | ||
</body> | ||
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<html xmlns:v="urn:schemas-microsoft-com:vml" | ||
xmlns:o="urn:schemas-microsoft-com:office:office"> | ||
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<title>Thermal Spectrum: Grayscale</title> | ||
<link rel="stylesheet" type="text/css" href="http://physlets.org/tracker/css/library.css"> | ||
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<body > | ||
<h2>Thermal Spectrum: Grayscale</h2> | ||
<p>This is the spectrum of a 60W "soft white" incandescent lamp with HeNe red (633nm) and green (543 nm) laser spots for calibration. The camera was set to record in grayscale rather than color.<br><br>Compare this spectrum with that in "Thermal Spectrum: Color," in which the camera recorded in color. The line profile tool obains an almost identical spectrum in both, indicating that the camera and tool use similar video RGB-grayscale conversions.</p> | ||
<p align="center"><img src="../images/thermal_gray.jpg"></p> | ||
</body> | ||
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