posted by Anonymous .
A particle weighs 120 N on the surface of the earth. At what height above the earth's surface will its weight be 30 N? Radius of the earth = 6,400 km.
Ndudhxh jfbfjcjfbbbdo bdjjfjfb fbf hfjjv fbxjfj xbxjxbb fbjc jfbfbfhbbfj jfbfbfhbbfj jfbfbfhbbfj bbdfb jcbbfjfucbbfbfjcjcj jfbfbfhbbfj bbdfb fbbdjxjx hbcxhxhbxbxjx jfbfjcjfbbbdo fbbdjxjx chhdbbxbfjj
The would be 4 or not
6400km is the answer