A、1cm
B、7cm
C、5cm
D、5.9cm
更多“某质点参与S<sub>1</sub>4cos（3πt+π/3）cm和S<sub>2</sub>=3cos（3πt-π/6）cm两个同方向振动的简谐振动，其合振动的振幅为：（）”相关的问题
A、T<sub>10sub>～L<sub>1sub> B、L<sub>1sub>～S<sub>1sub> C、L<sub>2sub>～S<sub>4sub> D、S<sub>2sub>～S<sub>4sub> E、S<sub>1sub>～S<sub>5sub>
A、T<sub>10sub>～L<sub>1sub> B、L<sub>1sub>～S<sub>1sub> C、L<sub>2sub>～S<sub>4sub> D、S<sub>2sub>～S<sub>4sub> E、S<sub>1sub>～S<sub>5sub>
A、S<sub>0sub>>S<sub>1sub>>S<sub>2sub>>S<sub>3sub> B、S<sub>0sub>>S<sub>2sub>>S<sub>1sub>>S<sub>3sub> C、S<sub>0sub>>S<sub>1sub>=S<sub>2sub>>S<sub>3sub> D、S<sub>0sub>>S<sub>2sub>>S<sub>3sub>>S<sub>1sub>
A、S<sub>1sub>>S<sub>2sub> B、S<sub>1sub>〈S<sub>2sub> C、S<sub>1sub>=S<sub>2sub>
A、S<sub>1-2sub> B、S<sub>2-3sub> C、S<sub>3-4sub> D、S<sub>4-5sub> E、S<sub>5sub>～S<sub>1sub>
A、A<sub>1sub>－A<sub>2sub> B、（A<sub>1sub>－A<sub>2sub>)K<sub>ssub> C、（A<sub>1sub>－A<sub>2sub>)/K′<sub>ssub> D、（A<sub>1sub>－A<sub>2sub>)K<sub>ssub>/K′<sub>ssub>
A、A<sub>1sub>－A<sub>2sub> B、（A<sub>1sub>－A<sub>2sub>）K<sub>ssub> C、（A<sub>1sub>－A<sub>2sub>）／K<sub>ssub>＇ D、（A<sub>1sub>－A<sub>2sub>）K<sub>ssub>／K<sub>ssub>＇
A、完成过程A→B ，经可逆途径的ΔS<sub>1sub>大于经不可逆途径的ΔS<sub>2sub> B、ΔS<sub>1sub>＝ΔS<sub>2sub> C、ΔS<sub>1sub>和ΔS<sub>2sub>无必然联系
A、K<sub>1sub>+K<sub>2sub> B、K<sub>1sub>-K<sub>2sub> C、K<sub>1sub>·K<sub>2sub> D、K<sub>1sub>/K<sub>2sub>
A、ΔS<sub>（环）sub><0 B、ΔS<sub>（系）sub>>0 C、［ΔS<sub>（系）sub>+ΔS<sub>（环）sub>］<0 D、［ΔS<sub>（系）sub>+ΔS<sub>（环）sub>］>0
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