A-A+
If an object weighed one pound 8 000 miles abo
问题详情
If an object weighed one pound 8,000 miles above the earth, it would weigh ______ on the surface of the earth.
A.6 pounds
B.4 pounds
C.9 pounds
D.1/9 pound请帮忙给出正确答案和分析,谢谢!
参考答案
正确答案:D
解析:从第三句第二句Ifyoutreblethedistance,itgetsninetimesweaker(threetimesthree)可知,如果距离变为原来的三倍,那么物体的重量就减少到原来的九分之一。故D为正确答案。