解析 |1|(|1)| 2“镇纸”对纸的压力下=Gmg=300 to " kg- to N kg-'3 N."镇纸“对纸的压强 p=F/S 3 N =1 000 Pa:行笔时,纸会受到一个与行笔方 30 10 m 向相同的摩擦力,若不用“镇纸”压住.纸会随行笔方向运 动.故行笔时镇纸和纸之间存在摩擦力 ...
(3)牛奶放出的热量: Q_(ij)=Q_(BQ)=4.2*10^4J ,牛奶的 比热容: 牛奶 放 m牛奶(to牛奶 —t牛奶) 0.3kg*(80°C-40°C)=3.5*10^3J/(kg⋅°C) . 反馈 收藏
£4.00 £20.00/kg Quantity controls, undefined Quantity of Whitby Seafoods Wholetail Scampi - Gluten Free 200g AddUsing Product Information While every care has been taken to ensure product information is correct, food products are constantly being reformulated, so ingredients, nutrition content, ...
Both melons were delicious but sadly the pineapple was very tart and had to be thrown away. This item did not represent good value for money. Won't buy again. Report I brought 5 stars A Tesco Customer21st January 2025 I brought this to put with my yoghurt it was very good .The fruit...
A big size tablet of tender Milka Alpine milk chocolate with cream filling and biscuit. A new take on the classic Milka recipe. Each of our brands are part of “Cocoa Life Program”, a global sustainability program launched to secure a supply of more sustainable cocoa. We believe that only...
热水 温度从to2降低到t,放出的热量为Q放; 则 Q=cm_1(t-t_(01)) , Q=cm_2(t_0-t) ,不计热损失,则Q吸=Q放,所以可得: cm1(t-to1)=cm2 (to2-t),即 4.2*10^3J/(kg⋅°C)* 200× 10-3kg× (t-30℃)=4.2×103J/(kg·℃)×300×10-3 kg× (90℃-t),解得:t=66℃,所以...
For the whole next month I woke up early every day and rode Cowboy five miles to the arena (赛马场). We practiced running and jumping for hours in the hot sun and then I would walk Cowboy home totally exhausted.? All of our hard work didn’t make me feel confident by the time ...
Just at 1.___ baby leopards are 300g to 700g. When they become adults, they usually 2.___ between 27kg and 55kg.Some of them can even reach 75kg. They have a short body. It's 75cm to 150cm from the head to the tail. However , some of them have ...
1 小明用能装500g酒精的瓶子去买500g的酱油,就过发现没装满,他认为营业员给他少了,计算说明(p酒=0.9×10³kg/m³,p酱油=1.13×10³kg/m³)2 一直烧杯装满水后总质量为350g,放入一石块后,溢出一些水,这是总质量为500g,取出石块后,烧杯和水的总质量为300g,求石块的密度是多少?
Loved to had that dummer fruit as Aitumn had began Watermelon 5 stars A Tesco Customer16th September 2024 The watermelon chunks are always fresh and good quality. They are a good price. I would recommend buying these as they are so refreshing. ...