PreparED Study Materials
PHYS 141: Introductory Mechanics
School: University of Arizona
Number of Notes and Study Guides Available: 1
Notes
Videos
Violin String Tension and Angle-Dependent Force
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Discover the physics behind violin string tension and the angle-dependent force required when pushing it against the neck. Explore how the angle affects the force needed.
Calculating Resistance and Current in a 6.00-V Car Electrical System
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Learn how to determine the hot resistance and current in the electrical system of older cars with a 6.00-V voltage supply.
Kinetic Energy: Saturn 5 & Apollo at 11.2 km/s Speed
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Learn how to calculate the kinetic energy of a Saturn 5 rocket with an Apollo spacecraft attached using physics principles and formulas. Understand the importance of unit conversion and the work-energy theorem as you plug values into the KE = 1/2 mv² formula. Discover that the kinetic energy for this rocket and spacecraft combo is an astonishing 1.82 x 10¹³ Joules.