Physics: Dielectric Constant
C=εε₀A/d ε=Cd/ε₀A = =9.1•10⁻⁶•1.5•10⁻⁵/8.85•10⁻¹²•2 =7.7.
la porte high school
h= gt²/2, t=2h/g=2•12/9.8=2.45 s s=v•t = 15•t=15•2.45 = 36.7 m
physical
m=ρV=ρπr²h=1950•π•0.051²•0.003=0.048 kg
physics
The law of conservation of linear momentum m₁v₁- m₂v₂=(m₁+m₂)u u={m₁v₁- m₂v₂}/(m₁+m₂)
physics
F=kx k=F/x W=ΔPE= kx²/2=Fx²/2x= Fx/2=20•0.05/2=0.5 J
Physics
F=0 if E = 0 The point is located to the right from the second charge at the distance ‘x’ => kq₁/(X+x)² =kq₂/x² X=1 64/(1+x)² = 16/ x², 3x²-2x-1 =0 , x={2±sqrt(4+12)}/6. x₁=1, x₂=-1/3 (※) Ans: Coordinat...
physics
Use Right Hand Rule
physics
30 = L/v(s) - L/v(p) = =2L/v(p) - L/v(p) = L/v(p), L=30 v(p) = 30•6000=180000 m=180 km
physics
1/R +1/R =1/9 2/R =1/9 R=18 Ω
physics
R₁=R/4 1/R₀=4/R₁ R₀=R₁/4= R/4•4= R/16
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