PHYS171_f11_lecture_04

# PHYS171_f11_lecture_04 - PHYS171 Principles of Physics I...

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PHYS171 Principles of Physics I Prof. Arthur La Porta Assistant Professor, Department of Physics, Institute of Physical Science and Technology Maryland Biophysics Program [email protected] Rm 1111, IPST building (building #085) Chapter 2 Average Acceleration i f i f t t v v t v a = Δ Δ = = time change velocity 2 2 0 lim dt x d dt dx dt d dt dv t v t a x = = = Δ Δ Δ = Instantaneous Quantities i f i f t t x x t x v = Δ Δ = = time nt displaceme Average Velocity dt dx t x t v x = Δ Δ Δ = 0 lim

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Chapter 2 Relationship between Position, Velocity, Acceleration • Position vs time plot is most fundamental • Velocity vs time is the local slope of the position vs time plot • Acceleration vs time is the local slope of the velocity vs time plot • Acceleration vs time is the local curvature of the position vs time plot. 024681 0 0 20 40 60 80 100 120 140 position (m) time (s) 0 -60 -40 -20 0 20 40 60 velocity (m/s) time (s) 0 -10 -8 -6 -4 -2 0 2 4 6 8 10 acceleration (m/s 2 ) time (s)
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## This note was uploaded on 12/29/2011 for the course PHYSICS 171 taught by Professor La porta during the Fall '11 term at Maryland.

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PHYS171_f11_lecture_04 - PHYS171 Principles of Physics I...

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