Re: 如何更改hiberfil.sys文件的存放位置?# Software - 软件世界
z*e
1 楼
A street light is at the top of a 19 ft tall pole. A woman 6 ft tall walks
away from the pole with a speed of 6
ft/sec along a straight path. How fast is the tip of her shadow moving when
she is 50 ft from the base of the
pole?
我只是不太明白,这里求解的影子速率难道不是固定的么?
要50干什么?
away from the pole with a speed of 6
ft/sec along a straight path. How fast is the tip of her shadow moving when
she is 50 ft from the base of the
pole?
我只是不太明白,这里求解的影子速率难道不是固定的么?
要50干什么?