PreparED Study Materials
PHYS 1056: Intro to Astronomy II
School: Virginia Polytechnic Institute and State University
Number of Notes and Study Guides Available: 3
Notes
Videos
The Pricey 'Jenny' Stamp: Calculating Focal Length
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Explore the world of collectible stamps as we delve into the story of the rare 1918 'Jenny' stamp and its astonishing auction price. Join us to learn about the use of a simple magnifying glass to examine this valuable collectible and discover how to calculate its focal length.
Angle of Hanging Hand Straps on a Turning Streetca
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Discover the physics behind the angle formed by loosely hanging hand straps on a streetcar negotiating a curved turn.
Comparing Single-Pane and Double-Pane Heat Loss Ratios
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Explore the world of thermal insulation and heat loss in this video. We compare single-pane and double-pane windows, calculating the heat loss ratio. Delve into the fascinating science of heat transfer and insulation factors. Join us to uncover the secrets behind energy-efficient windows.
Deciphering Unknown Wavelength via Double Slit: The 355nm Light Revela
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Uncover the methodology behind determining an unknown light's wavelength using the double slit experiment. Understand how fringe spacings relate to the light's properties. Find out the significance of second-order fringes and their measurements.
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Newton's Third Law and Force Pairs: System of Interest Impact
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Delve into Newton's third law of motion and explore how the choice of the 'system of interest' influences whether force pairs cancel each other out.




















