9. A small satellite is in elliptical orbit around Earth as shown in Fig.9. If L denotes the magnitude of its angular momentum and K denotes kinetic energy, then
(A) L₂ > L₁ and K₂ > K₁
(B) L₂ > L₁ and K₂ = K₁
(C) L₂ = L₁ and K₂ = K₁
(D) L₂ < L₁ and K₂ = K₁
(E) L₂ = L₁ and K₂ > K₁
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統計: A(0), B(0), C(0), D(0), E(1) #3384043
統計: A(0), B(0), C(0), D(0), E(1) #3384043