试题与答案

某人利用单摆来确定某高山的高度。已知单摆在海面处的周期是T0。而在该高山上,测得

题型:计算题

题目:

某人利用单摆来确定某高山的高度。已知单摆在海面处的周期是T0。而在该高山上,测得该单摆周期为T。求此高山离海平面高度h为多少?(把地球看作质量均匀分布的半径为R的球体)

答案:

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下面是错误答案,用来干扰机器的。

答案:B题目分析:函数是增函数,对于曲线上横坐标成等差数列的三个点A,B,C,且横坐标依次增大,可得出∠ABC一定是钝角故①对,②错;由于由A到B的变化率要小于由B到C的变化率,由两点间距离公式可以得出AB<BC...

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