Physics2AEquationSheet

# Physics2AEquationSheet - Physics 2A Equation Sheet r = rf...

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Physics 2A Equation Sheet f i rr r ∆= − GG G Displacement r v t = G G Average velocity dt r d v G G = Instantaneous velocity v a t = G G Average acceleration 2 2 dt r d dt v d a G G G = = Instataneous acceleration o vv a t =+ Velocity as function of time 2 (1/ 2) oo x xv t a t + Position as function of time 22 2( ) vv a x x Velocity as function of position 2 o o x xt +    Position as function of velocity and time 2 r v a r = Radial (centripetal) acceleration Fm a = G G Newton’s 2 nd Law wm g = Weight of a body kk f N µ = Kinetic friction force N f s s Static frictional force cos WFsF s θ =•= G Work done by constant force s Fk x =− Spring force (Hooke’s Law) s if Wk xk x Work done by spring force W applied = - W s Work done by applied force K=(1/2)mv 2 Kinetic energy net f i WK KK = Work-Energy Theorem P ave = W t Average power dt dW P = Instantaneous power cos PFvF v G G Instantaneous power U g =mgy Gravitational PE Function (constant g) U s =(1/2)kx 2

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## This note was uploaded on 09/02/2011 for the course PHYS 2A taught by Professor Luna during the Fall '09 term at DeAnza College.

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Physics2AEquationSheet - Physics 2A Equation Sheet r = rf...

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