天津图书馆 PHYSICS平滬
| 内容出处： | 《北洋周刊》 期刊 |
| 唯一号： | 020020020210013150 |
| 颗粒名称： | PHYSICS平滬 |
| 分类号： | G424.79 |
| 页数： | 1 |
| 摘要： | 1.A mass which weighs 400 lb,starting from rest at the top of an incline 30 ft. high acquires a speed of 30 ft/sec.at tho bottom.How much energy was lost on account of friction.2. A mass of 300 grams of cooper at 100 C.is dropped into a copper vessel.mass 100 grams,containing 200 grams of water at 15C. The resultant temperature is 24.8C. Compute the specific heat of copper.2.Define the following terms.(a) Erg(b) Volt.(c) E.M.F.of a battery.(d) Candle powar. |
| 关键词： | 试题 入学考试 本科 |
内容
starting；incline；acquires；bottom；friction
