PHYS 140: How Things Work

School: University of Illinois

Number of Notes and Study Guides Available: 0

Videos

Capacitor Potential, Separation, and Work Calculations

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Explore the concept of capacitance and learn how to calculate potential difference, the impact of separation, and the work required for a parallel-plate air capacitor.

Flashlight Bulb Power and Battery Terminal Voltage

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Illuminate the science of flashlight power! In this video, we explore how a 6V bulb is powered by a 3V battery with an internal resistance. We calculate the power dissipation of the bulb and the terminal voltage of the battery, unraveling the physics of electrical circuits.

Youngsters' Cliff Dives: Comparing Splashdown Speeds

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Dive into the physics of cliff jumping as we analyze the splashdown speeds of two adventurous youngsters. Explore the factors that determine their speeds and choose the best explanation among the options provided.

Solving Acceleration & Deceleration Queries for a Commuter Train Expla

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Explore the physics of a light-rail commuter train's motion. Understand how to calculate times for acceleration and deceleration using the equations of motion. Dive into the concept of emergency deceleration and its implications.

Counting Significant Figures in Numerical Values

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Join us in exploring the concept of significant figures in numerical values. Learn to identify and count significant figures in various numbers, from whole numbers to decimals. Understand the precision and accuracy of your measurements through this engaging video.

Estimating Car's Initial Speed from Skid Marks: A Physics Explanation

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Estimate a car's initial speed from skid marks using physics principles. Apply Newton's Second Law and equations of motion to deduce the initial velocity. Understand the role of frictional force in car deceleration during accidents.