General Physics Mechanics
General Physics Mechanics PHYS 211
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This 0 page Class Notes was uploaded by Otha Leffler on Sunday November 1, 2015. The Class Notes belongs to PHYS 211 at Pennsylvania State University taught by Staff in Fall. Since its upload, it has received 14 views. For similar materials see /class/233095/phys-211-pennsylvania-state-university in Physics 2 at Pennsylvania State University.
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Date Created: 11/01/15
Motion in 1D Problem Solving The Major Player Isaac Newton 16421727 Mike Gallis PSUSLC0nstant Acceleration x X t t V V t l a a amsmrnt 4 mt When Solving a problem Make a diagram W coordinate system ie XaXis yaXis Label quantities with units M 21 kg 6 72 radians t 289 s Consistent Set of units must perform conversions e g SI kg m s Make sure you write down the given info MOTION IN ONE DIMENSION CONSTANTLY ACCELERATED MOTION Equations based on de nition EM EN ENE DHR V HEIQ 2a x X0 2 V2 2 26X x0 V V MOTION IN ONE DIMENSION 1 I Special considerations o Positive and negative values have meaning use a coordinate axis or number line 9 Problems can have as complex a variability as necessary dode dt implies implies constant Acceleration 6W at dt 6W a dt In differenti 211 form VIV0 dvr39d V1 V0Iat39dt39 4 dt39 6 VIV0alEV0at yo Oil f quotc lnri w 61W VIdt Work this out xt x0 vot aiz xt x0 v0 a Calculus 102 Equations of Motion W Slope a ll xt x0 Jvtydty 111 Slopr 0 139 Equations of Motion Canstant Acceleratian 2 V0 2 yyoV MOTION IN ONE DIMENSION 4 CONSTANTLY ACCELERATED MOTION SPECIAL PROBLEM CLASS FREE FALL The acceleration of gravity is a constant when near the surface of the earth I C 39 g 98 ms2 toward the center 0 of the earth EXAMPLE 51 if im VO aa ID 1m A 57 139 21 WEE lm 533 P mm b b awcgnm them it WINE Problem 82 1 39 m E Given a What is the v at t20s b Write an expression for vt in ms for range