FORMULA SHEET

# FORMULA SHEET - Degree Mode Kinematics Find Time v= d t a=...

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Physics I Formula Card Reminder: Homework is fun to do! Williamsport Area High School Williamsport, PA cos θ = adj hyp tan θ = opp adj tan θ = sin θ cos θ x = - b ± b 2 - 4 ac 2 a ∆ = final - initial % error = |theoretical– experimental | theoretical y = mx + b m = y x sin θ = opp hyp Do not worry about your problems with mathematics, I assure you mine are far greater. – Albert Einstein R 2 = A 2 + B 2 - 2 AB cos θ Law of Cosines R 2 = A 2 + B 2 Pythagorean Theorem m = h i h o = - d i d o F = Kq A q B d 2 V = IR P = I 2 R = IV E = PT E = hf E = mc 2 Electricity & Magnetism f = 1 T v = λ f n i sin θ i = n r sin θ r n = c v 1 f = 1 d i + 1 d o E = P 4 π d 2 Waves & Sound Optics P = F A F 1 A 1 = F 2 A 2 ρ = m V P = ρ gh F buoy = ρ Vg W app = mg - F buoy L L o T V = β V o T Fluids & Solids Σ E o = Σ E T K = T ° C + 273.15 T ° F = ( T ° C 1.8) + 32 T ° C = T ° F - 32 1.8 Q = mC T Q = mH T f = m A C A T Ai + m B C B T Bi m A C A + m B C B C B = m A C A | T Af - T Ai | m B | T Bf - T Bi | Heat & Thermo- dynamics It is much more interesting to live not knowing than to have answers that might be wrong. –Richard Feynman p = mv F t = ∆ p F = m v t p = p o K = 1 2 mv 2 W = Fd W = Fd cos θ P = W t MA = F r F e IMA = d e d r EFF = MA IMA = W o W i = F r d r F e d e W i = W o U g = mgh Momentum, Work, Energy & Machines E mech = K + U g IMA = teeth on rear sprocket teeth on front sprocket × pedal arm length wheel radius K before + U g before = K after + U g after C r = v v 0 = h H W = ∆ E v = 2 π r T v = rg v = μ rg F 1 d 2 T A T B 2 = r A r B 3 F = G m A m B d 2 g = G m d 2 v = Gm c r T = 2 π r 3 Gm c g = F m r A = r B T A 2 T B 2 3 T A = T B r A 3 r B

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