Engineering Physics 1 - Exam Equations

Unit 1 - Uncertainty of Z=Y/X

ΔZ = Z (ΔX/X + ΔY/Y)

Unit 1 - Velocity of an Obj. @ Constant A

V = V₀ + at

Unit 1 - Position of an Obj. @ Constant A

r = r₀ +v₀t + 1/2*a*t²

Unit 1 - Relate V, V₀, A, & ΔR

V² = V₀² + 2a(Δr)

Unit 1 - Height of a Projectile Under G

h = (Vᵢ² * sin²(θᵢ))/(2g)

Unit 1 - Horizontal Range Max

r=vi²/g

Unit 2 - Angular Speed

ω = 2pi/T

Unit 2 - Period of UCM

T = 2pi*r/v

Unit 2 - Angular acceleration

Ac=v²/r

Unit 2 - Force of Friction

Fk = μ*Fn

Unit 2 - Angular Acceleration

Ac = r*ω²

Unit 2 - Spring Force

Fs = -kx

Unit 2 - Drag Force

Fd=1/2*cpAv²

Unit 2 - Ideal angle of a banked curve

tan(θ)=v²/rg

Unit 2 - Work done by a 1-D Spring

Ws=1/2K(Xb²-Xa²)

Conservative Force Condition

(dFx/dy)=(dFy/dx)