consider this.... a bird is sitting on top of a tree. on the ground...
n=Nc*exp[-(EC-EF)/KT] p=NV*exp[-(EF-EV)/KT] 在兩式子可能要你自己翻書了~式子太多無法推導給你看 在本質半導體時 EF=EFi , n=p=ni 又 n=Nc*exp[-(EC-EFi)/KT]=ni p...
...this still KE(動能). Correct method At the highest point consider the force on the person. Weightlessness (失重) means there is...
...stress distribution on the bump and lead under different compressing time was considered at the same time for the singe lead simulating model. Based one the simulation...
... of acceleration of the hanging block is downward. (c) Consider the acceleration of the hanging block: 2.3 x 10 - T = 2.3 x 0.75...
(a) At the moment when the switch is closed, the induced emf across L is equal to the battery emf and hence NO current flows in the circuit, i.e. I1 = I2 = I3 = 0 A. (b) At steady state, L is...
... costs, improve the competitiveness of the circuit, this, all in order to must consider the key element while designing the circuit
一維的位能井中單一粒子質量 m, 能量與波函數各為 E_n = n^2 * h^2/8ma^2, ψ_n(x) = A sin(nπx/a), 常數 A 絕對值為√(2/a) 若二個以上粒子且「無交互作用」，系統能量僅為各自能量總和 E_n1,n2,n3 = (n1^2 + n2^2 + n3^2) h^2/8ma^2 其中 n1,n2,n3 表示三個粒子的系統的狀態 粒子為...
...also roate,, so.,your "smart balloon" wil..rotate together...!! . . (you should consider this-->high altitude air jet stream.) 2012-01-10 16:15:04 補充： ^^ ......
(1) 在此力學能分為位能、動能 當dipole從θ0旋轉到0時，釋放的位能轉為動能 考慮θ=θ0以及θ=0之間位能差δU δU=PE(1-cos(θ0))，其中P=2Dq 假設所求ωmax，則此角速下的動能I*ωmax^2/2 δU=I*ωmax^2/2，ωmax=√[2PE(1-cos(θ0))/I] (2...
