if the earth were pressed in such a way that its mass remained the same,but the distance around the equator were just one-half what it is now,what would be the acceleration due to gravity at the su
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if the earth were pressed in such a way that its mass remained the same,but the distance around the equator were just one-half what it is now,what would be the acceleration due to gravity at the su(图1)
======以下答案可供参考======
供参考答案1:
如果地球的质量保持不变，但是赤道缩短为现在的一半，那么地球表面的重力加速度会怎样呢？
答案：4 g供参考答案2:
if the earth were pressed in such a way that its mass remained the same,but the distance around the equator were just one-half what it is now,what would be the acceleration due to gravity at the su(图1)