axia
I'm assuming the account is compounded annually. A = Po(1+r)^n n = 1comp/yr. * 2yrs. = 2 Compounding periods. A = 4000(1.1)^2 = $4840.
maths
1. d = 16*t^2. 1 s. 16 Ft. 2 s. 64 Ft. 3 s. 144 Ft. d = 4.9*6^2 = 176.4 Ft in 6v s. 3. T = 75(1+0.10)^3 = 99.8o.
Physics
Incomplete.
physics
ho = 0.5*a*t^2 = 0.5*20*60^2 = 36,000 m. Vo = a*t = 20*60 1200 m/s. a. h. = ho + (V^2-Vo^2)2g h=36000 + (0-(1200)^2)/-19.6=109,469 m. b. V = Vo + g*t Tr = To + (V-Vo)/g=60 + (0-1200)/-9.8 = 182.4 s. h = Vo*t + 0.5g*t^2 = 109,469 m. 0 + 4.9t^2 = 109469 t^2 = 22,341 s Tf = 150 s...
math
s + 0.2s = 4200 1.2s = 4200 S = $3500 = Wayne's salary. Barry's Salary. s - 0.4s = 3500 0.6s = 3500 S = $5833.33 = Barry's salary.
science
V^2 = Vo^2 + 2a*d a = (V^2-Vo^2)/2d a = (0-20^2)/100 = -4 m/s^2.
math
23000-0.07*t*23000 = 3000 23000 - 1610t = 3000 -1610t = 3000-23000 = -20000 t = 12.42 Years.
physics
Fn = 193 - 0.39*193 = 117.73 = Net force. Power = Fn * d/t Power = 117.73 * 4.9/12 = 48.1 J/s = 48.1 Watts.
physics 1
h = Vo*t + 4.9t^2 = 1000 m. 0 + 4.9t^2 = 1000 t^2 = 204.08 t = 14.3 s. = Fall time. D = 50m/s * 14.3s = 714.3 m.
physic
Vo = 350Ft/s[60o]. Xo = 350*cos60 = 175 Ft/s Yo = 350*sin60 = 303 Ft/s. b. Y^2 = Yo^2 + 2g*h h = (Y^2-Yo^2)/2g h = (0-(303)^2)/-64 = 1435 Ft. c. Dx = Vo^2*sin(2A)/g Dx = (350)^2*sin(120)/32 = 3315 Ft. d. 350 Ft/s[60o]. Same as initial velocity.
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