PHYS 1345: Intro to Astronomy

School: University of Texas at Arlington

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Calculating Enclosed Charge Using Gauss's Law

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Using a cube measuring 28.0 cm per side, we calculate its total electric flux. Through Gauss's law, we determine the box's enclosed charge. The resultant enclosed charge is 9.77 x 10?? C.

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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.

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.