同步卫星离地心距离为r,运行速率为v1,加速度为a1,地球赤道上的物体随地球自转的向心加速度为a2,第一宇宙速度为v2,地球半径为R,则下列比值正确的是A.a1/a2=r/RB.a1/a2=(R/r)^2C.v1/v2=r/RD.v1/v2=(R/r)^0.5
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![同步卫星离地心距离为r,运行速率为v1,加速度为a1,地球赤道上的物体随地球自转的向心加速度为a2,第一宇宙速度为v2,地球半径为R,则下列比值正确的是A.a1/a2=r/RB.a1/a2=(R/r)^2C.v1/v2=r/RD.v1/v2=(R/r)^0.5](/uploads/image/z/2382064-16-4.jpg?t=%E5%90%8C%E6%AD%A5%E5%8D%AB%E6%98%9F%E7%A6%BB%E5%9C%B0%E5%BF%83%E8%B7%9D%E7%A6%BB%E4%B8%BAr%2C%E8%BF%90%E8%A1%8C%E9%80%9F%E7%8E%87%E4%B8%BAv1%2C%E5%8A%A0%E9%80%9F%E5%BA%A6%E4%B8%BAa1%2C%E5%9C%B0%E7%90%83%E8%B5%A4%E9%81%93%E4%B8%8A%E7%9A%84%E7%89%A9%E4%BD%93%E9%9A%8F%E5%9C%B0%E7%90%83%E8%87%AA%E8%BD%AC%E7%9A%84%E5%90%91%E5%BF%83%E5%8A%A0%E9%80%9F%E5%BA%A6%E4%B8%BAa2%2C%E7%AC%AC%E4%B8%80%E5%AE%87%E5%AE%99%E9%80%9F%E5%BA%A6%E4%B8%BAv2%2C%E5%9C%B0%E7%90%83%E5%8D%8A%E5%BE%84%E4%B8%BAR%2C%E5%88%99%E4%B8%8B%E5%88%97%E6%AF%94%E5%80%BC%E6%AD%A3%E7%A1%AE%E7%9A%84%E6%98%AFA.a1%2Fa2%3Dr%2FRB.a1%2Fa2%3D%28R%2Fr%29%5E2C.v1%2Fv2%3Dr%2FRD.v1%2Fv2%3D%28R%2Fr%29%5E0.5)
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