As Earth rotates about its axis,it takes three hours for the United States to pass beneath a point above Earth that is stationary relative to the sun.What is wrong with the following scheme?To travel from Washington,D.C.to San Francisco using very li
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As Earth rotates about its axis,it takes three hours for the United States to pass beneath a point above Earth that is stationary relative to the sun.What is wrong with the following scheme?To travel from Washington,D.C.to San Francisco using very li
As Earth rotates about its axis,it takes three hours for the United States to pass beneath a point above Earth that is stationary relative to the sun.What is wrong with the following scheme?To travel from Washington,D.C.to San Francisco using very little fuel,simply ascend in a helicopter high over Washington,D.C.and wait three hours until San Francisco passes below.
As Earth rotates about its axis,it takes three hours for the United States to pass beneath a point above Earth that is stationary relative to the sun.What is wrong with the following scheme?To travel from Washington,D.C.to San Francisco using very li
由于人或者直升机的参考系选择的都是地球,且人或者直升机因惯性会随着地球一起自传.即使直升机升到空中悬停,其相对于地球的纬线速度还是0,还是无法完成从华盛顿到旧金山的旅行.