一弹簧挂着小球作上下振动,经研究表明,时间x(s)与小球相对于平衡位置的高度y(cm)=f(x)的函数关系式符合某一正弦曲线f(x)=Asin(ωx+φ) (其中Α>0,ω>0,|φ|≤π),且离平衡位置最高点为(2,
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),由最高点到相邻下一次图象交x轴于点(6,0); (1)求经多少时间小球往复振动一次?(2)确定g(x)表达式,使其图象与f(x)关于直线x=1对称.
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1、P
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3、P
4、P
5;其对应横坐标分别为x
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-.
①x
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).则m=
.
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