→ wglc:太累了先告訴你96第10題 是符合光的都普勒效應 07/04 07:17
96th:
10. a light source emits a light wave with frequency f to an observer.
at the same time ,the observer moves toward the light source with
speed of light . what is the frequency observed by the observer?
A. B. C. D. E.
1/根號3倍 1/2倍 1倍 根號2倍 根號3倍
請問這會符合都普勒定律嗎? 如果是,好像選不到答案耶!
95th:
a 50 g object is attached to a horizontal spring with a spring constant of
10 N/m and released from rest with an amplitude of 25cm . what is the speed
of the object when it is halfway to the equilibrium position if the surface
is fricitonless?
A
4.21m/s
B
8.42m/s
C
3.06m/s
D
9.68m/s
謝謝各位~
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