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
physics
I can't understand your given data
physics
R₁=R/4 1/R₀=4/R₁ R₀=R₁/4= R/4•4= R/16
physical scinsce
F=1000n, F=ma, a=F/m=1000n/10= 100n. a=v²/2s, v²/2s=100n, n= v²/200s=50²/200•10=1.25. The amount of explosive is 1.25•10 =12.5 kg.
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