PreparED Study Materials
Notes
Videos
Projectile Range and Optimal Launch Angles Explained
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Join us in this enlightening video as we explore the fascinating world of projectiles and their optimal launch angles. We dive into the physics behind how a fixed initial speed affects the range of a projectile and why, for most angles, there are two choices that yield the same range. Delve into factors that affect an archer's ability to hit a target, including wind, and learn why a smaller angle, closer to the horizontal, is often preferable. Discover when and why a larger angle may be necessar
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.
Pebble Velocity for Horizontal Impact on Juliet's Window
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Explore the physics behind calculating the velocity of pebbles thrown by Romeo to hit Juliet's window with only a horizontal component.
Electromagnetic vs. Gravitational Forces: A Comparative Analysis
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Explore the relative strengths of two fundamental forces, the electromagnetic force and the gravitational force, in this enlightening physics tutorial. Learn about Coulomb's law and Newton's law of gravitation, and uncover the significant difference in their constants that makes the electromagnetic force much more powerful than gravity.
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.
Understanding Volume Units and Cylinder Formula
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In this educational video, we dive into the concept of volume and its units. We explore the correct units for measuring volume and discuss the common misconception that a cylinder's volume is given by ?r^3h. Join us for a comprehensive explanation of the fundamentals of volume measurement and understand why the given formula doesn't hold.



















