Physics, 20.08.2021 04:10 yournerdybirdyp43oi3
đặt một nam châm thẳng sao cho chiều của đường suc từ hướng vào long cuộn dây. trương hợp nào thì suat dien động lớn nhất
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Physics, 21.06.2019 22:00
In a wind tunnel the speed changes as the cross sectional area of the tunnel changes. if the speed in a 6' x 6' square test section is 100 mph, what was the speed upstream of the test section where the tunnel measured 20' x 20'? use conservation of mass and assume incompressible flow. conservation of mass requires that as the flow moves through a path or a duct the product of the density, velocity and cross sectional area must remain constant; i.e., that ova-constant. a model is being tested in a wind tunnel at a speed of 100 mph if the flow in the test section is at sea level standard conditions, what is the pressure at the model's stagnation point? (a) the tunnel speed is being measured by a pitot-static tube connected to a u- tube manometer. what is the reading on that manometer in inches of water? (b) at one point on the model a pressure of 2058 psf is measured. what is the local airspeed at that point?
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Which feature of a heating curve indicates a change ofn state
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Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted
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The mini-refrigerator fire was most likely caused by what type of wiring?
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đặt một nam châm thẳng sao cho chiều của đường suc từ hướng vào long cuộn dây. trương hợp nào thì su...
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