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Lecture# Fluid Friction: Velocity Calculation

Description

This lecture covers the calculation of velocity for an object in free fall experiencing fluid friction in laminar flow, considering a constant gravitational field. It explains the second law of Newton, the differential equation to solve, and the exponential variation of velocity before reaching the limit velocity. The general resolution technique for the differential equation is presented, along with the concept of a velocity limit at long times. The lecture also discusses the different cases based on initial conditions and the concept of a velocity limit with Archimedes' thrust. It concludes with the analysis of multiple masses systems with a fixed pulley and the force exerted by a spring.

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In course

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Instructor

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Ontological neighbourhood

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