A village maintains a large tank with an open top, containing water for emergencies. The water can drain from the tank through a hose of diameter 6.60 cm. The hose ends with a nozzle of diameter 2.20 cm. A rubber stopper is inserted into the nozzle. The water level in the tank is kept 7.50 m above the nozzle. (a) Calculate the friction force exerted on the stopper by the nozzle. (b) The stopper is removed. What mass of water flows from the nozzle in 2.00 h
Answers: 2
Physics, 22.06.2019 07:00
Oxygen and hydrogen gas are at the same temperature t.what is the ratio of kinetic energies of oxygen molecule and hydrogen molecule if oxygen is 16 times heavier than hydrogen.
Answers: 3
Physics, 22.06.2019 09:00
A2000 kg car is rounding a curve of radius 200 m on a level road. the maximum frictional force the road can exert on the tires of the car is 4000 n. what is the highest speed at which the car can round the curve?
Answers: 1
Physics, 22.06.2019 12:00
Explain what happens at the saturation point when adding salt to water at room temperature.
Answers: 3
A village maintains a large tank with an open top, containing water for emergencies. The water can d...
Mathematics, 20.10.2020 06:01
Mathematics, 20.10.2020 06:01
Mathematics, 20.10.2020 06:01
French, 20.10.2020 06:01
Physics, 20.10.2020 06:01
Mathematics, 20.10.2020 06:01
Physics, 20.10.2020 06:01
English, 20.10.2020 06:01
History, 20.10.2020 06:01
Biology, 20.10.2020 06:01