Physics Equations v g Gm r2 mgrav d d f d i t t f ti v vi v a f t t f ti d d i vt T 2 r 2 Fgrav t t Gm v f vi at f i t 1 d f d i vi t at 2 2 1 i i t t 2 2 d f di 1 v f vi t 2 Fnet m 2 c a 2 b 2 2ab cos C a A B C sin A sin B sin C net 1 f i t 2 I I mr 2 d r v r a r F r SOH mv CAH TOA impulse Ft Ft f i Ff FN v 2 4 2 r ac 2 r T 2 mv m4 2 r Fc r T2 2 TA r A TB rB mm F G 12 2 r T 2 v 2f i2 2 f i 3 r Gms GmE r 3 W Fd 1 2 mv 2 U g mgh KE P W Fd Fv t t Q mcT Q mH f Q mH v F kx PE sp 1 T v f f 1 1 1 = + 𝑓 𝑑𝑖 𝑑𝑜 f i t v 2f vi2 2a(d f di ) l g 1 2 kx 2 ℎ𝑖 −𝑑𝑖 = ℎ𝑜 𝑑𝑜 𝑛1 𝑠𝑖𝑛𝜃1 = 𝑛2 𝑠𝑖𝑛𝜃2 𝑐 𝑛= 𝑣 𝑛2 𝑠𝑖𝑛𝜃𝑐 = 𝑛1 𝑥𝑑 𝜆= 𝐿 𝜆 = 𝑑𝑠𝑖𝑛θ q q F K A2 B r Fonq' V E q' d Wonq' V q' 𝑚= V Ed q V 1 W CV 2 2 q I t C P IV R V I P I 2R V2 P R E Pt E I 2 Rt V 2 t E R R RA RB ... 1 1 1 ... R R A RB VB VRB R A R B F ILB F qvB G 6.67 x10 11 Nm 2 / kg 2 k 9.0 x10 9 Nm 2 / C 2 qe 1.6 x10 19 C C=3x108 m/s