一宇宙飞船在一个星球表面附近做匀速圆周运动，宇航员要估测星球的密度，只需要测定飞船的（）_刷题宝

题干

一宇宙飞船在一个星球表面附近做匀速圆周运动，宇航员要估测星球的密度，只需要测定飞船的（）

A：环绕半径

B：环绕速度

C：环绕周期

D：环绕角速度

上一题下一题 0.0难度选择题更新时间:2016-09-14 01:35:23

答案(点此获取答案解析）

C

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