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Assignment 4 with Solution for General Physics | PHYS 2001, Assignments of Physics

Louisiana State University (LSU) - System OfficePhysics

Material Type: Assignment; Class: GENERAL PHYSICS; Subject: Physics; University: Louisiana State University; Term: Spring 2009;

Typology: Assignments

Pre 2010

Uploaded on 08/30/2009

koofers-user-e0l-1
koofers-user-e0l-1 🇺🇸

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HW #4, Problem 13 (= Problem 70, textbook) Raindrops on a train window ° ie direction Train stationary: raindrops fall vertically at 5.0 m/s. Train moving at constant velocity: raindrops make an angle of 25 degrees on the train’s window. How fast is the train moving? Var = Vro + Vor From velocity vector diagram: Vor= Vac tand = (5.0 m/s)(tan25°)=2.3m/s > — The speed of the train is 2.3 m/s (to the right). Alternate approach: Use components of the various vectors (never fails!) 4 :