Water is pumped into a partially filled tank at a constant rate through an inlet pipe. At the same time, water is pumped out of the tank at a constant rate through an outlet pipe. At what rate, in gallons per minute, is the amount of water in the tank increasing?
aIn a water storage tank design, well water is pumped into the storage tank and the heat pump continues to pump heat into the water or take heat from the water (depending on summer or winter mode operation) until the temperature of the water no longer permits an efficient energy exchange....
Water is leaking out of an inverted conical tank at a rate of 6500 cm3/min at the same time that water is being pumped into the tank at a constant rate.The tank has height 6 m and the diameter at the top is 4 m.If the water level is rising at a rate of 20 cm/min when the...
First, water is pumped into a large reservoir or tank from a nearby body of freshwater. The water tank sits on a high point of land. A vast network of pipes and pressure valves connect the homes in your neighborhood to the water tower, which uses the flow of gravity to distribute the ...
A. water is pumped into the plane instead of air B. more air is pumped into the plane than usual C. water exerts great pressure on the skin of the plane D. the weaker parts receive greater pressure 相关知识点: 试题来源: 解析 B 正确答案:B解析:是把飞机放到水里,而不是把水注到飞机里...
1英文语法问题Waste water is pumped from the factory into a nearby river(工厂里的污水被抽到了附近的河里)He is prevented by law from holding a licence(法律不准他持有执照)在这两个句子里,为什么pump和prevent是过去式,而不是加 ing 成现在进行时呢?还有另一个问题The video cameras are linked to a...
___but now water has been pumped into the fields.这块地过去难以耕种,但现在水已经被抽进了地里。this land was difficult to farm是“主语+be+adj.+不定式”结构,不定式用主动形式表示被动意义。使用此结构应注意:(1)常用形容词有:difficult, hard, easy, comfortable, pleasant, interesting, exciting等。(...
【GRE真题答案解析】GRE考满分为考生准备GRE 数学QR真题答案解析,Water is pumped into a 36-gallon pool at pipe R and out of the pool at pipe S. If the rate of pumping through R is 3 gallons per hour, how many gallons per hour must be pumped out at pipe S so
0cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height9 meters and the diameter at the top is5meters. If the water level is rising at a rate of24centime...
When a large vessel such as a container ship or anoil tankerunloads cargo,seawateris pumped into compartments in the hull. Similarly, when a large vessel is being loaded, it discharges seawater from these compartments. The seawater is meant to help stabilize and balance a ship. Ballast dischar...