试题与答案

2005年10月17日,我国第二艘载人飞船“神州六号”,在经过了115个小时32

题型:问答题

题目:

2005年10月17日,我国第二艘载人飞船“神州六号”,在经过了115个小时32分钟的太空飞行后顺利返回.

(1)飞船的竖直发射升空的加速过程中,宇航员处于超重状态.设点火后不久,仪器显示宇航员对座舱的压力等于他体重的4倍,求:此飞船的加速度大小.(地面附近重力加速度g=10m/s2.)

(2)飞船变轨后沿圆形轨道环绕地球运行,运行周期为T,已知地球半径为R,地球表面的重力加速度为g.求:飞船离地面的高度.

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A, B, C, D, E

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