Physics, 23.07.2021 20:10, brittanysanders
Một bể chứa dầu dưới áp suất 5at. Khi tháo ra ngoài 40 lit dầu, áp suất trong bể giảm xuống chỉ còn 1at. Xác định dung tích bể chứa cho biết hệ số co thể tích của dầu w=7,55.10-10 m2/N
Answers: 2
Physics, 22.06.2019 07:00, nanakwameyeb
Abucket full of water weights 4 kg and water well is 10m deep. a girl draws water from the well. it takes the girl 3 minutes to draw a bucket full of water from the well. what is the power of the girl?
Answers: 1
Physics, 22.06.2019 10:00, ceasar6071
Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?
Answers: 1
Physics, 22.06.2019 12:10, malikbryant2002
Consider a one meter long horizontal pipe with a constant 100 cm^2 cross sectional area. water flows rightward into the pipe at x = 0 with flow velocity 02m/sec at every point within the pipe intake area. at x=1, the rightward flow rate is 0.192 m/sec. assume the water is a conserved quantity in the pipe, so there must be a leak (a sink) somewhere in the pipe. 1. compute net volumetric flow of the source if the system to be in equilibrium. 2. now assume the pipe in the problem has no leaks. compute the net volumetric rate of change for the system.
Answers: 3
Một bể chứa dầu dưới áp suất 5at. Khi tháo ra ngoài 40 lit dầu, áp suất trong bể giảm xuống chỉ còn...
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