天津图书馆 PHYSICS天津
| 内容出处： | 《北洋周刊》 期刊 |
| 唯一号： | 020020020210013151 |
| 颗粒名称： | PHYSICS天津 |
| 分类号： | G424.79 |
| 页数： | 2 |
| 摘要： | 1. Two men are carrying a load of 300 lbs on a uniform bar 10 feet long.Where the load must be placed in order that one man may carry 2/3 of the total load, The weight of the bar is 60 lbs.2.Copper has a specific gravity of 9. How many grams of copper must be suspended in water in order that the apparent mass in water shall be 200 grams?3.A ball is thrown horizontally with a speed of 100 feet per second from the top of a tower 100 feet hign. |
| 关键词： | 试题 入学考试 本科 |
内容
carrying；uniform；placed；weight；gravity
