PreparED Study Materials
Notes
Videos
Adding Water to a Glass: Temperature Change Calculation
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Watch as we explore the fascinating world of thermal expansion in this video. We start with a glass filled to the brim with 350.0 mL of water at a scorching 100.0°C, and then witness the magic unfold as the temperature decreases to a cool 20.0°C. But the real question is, how much more water can we add to the glass? Join us to find out!
Angle Conversion: Radians to Degrees and Degrees to Radians
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Learn how to convert between radians and degrees for various angle measurements, expanding your understanding of angular units.
Maximum Speed of a Whirling Ball with a Breaking String
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Discover the limits of circular motion as we explore the maximum speed a ball can achieve before its string breaks. Uncover the physics behind this thrilling scenario in our engaging video.
Advantages of Laboratory-Based Measurement Standards
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Discover the key reasons why measurement standards rooted in laboratory procedures offer advantages over standards based on specific objects, like the international prototype kilogram. Dive into the world of metrology and standardization in this informative video.
hysics of a Coin Drop in an Ascending Elevator
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In an elevator ascending, an occupant drops a coin, which accelerates at a different rate than expected. This reveals the elevator's own acceleration towards the Earth. By analyzing forces and tensions, we determine the cable's tension to be 16000 N.
River Rescue: Angle for Direct Approach to Child
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Join us for a dramatic river rescue mission! In this video, we solve the problem of how a rescue team can reach a child in danger of drowning in a fast-flowing river. We calculate the angle from the shore for their pilot to approach the child directly, considering the river's current and the boat's speed. Explore the principles of vector addition and save lives!