Physics, 25.11.2020 14:50 orlando19882000
A pinball bangs against a bumper giving the ball a speed of 42cm/s if the ball has a mass of 50.0g what is the ball’s kinetic energy in joules
Answers: 2
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?
Answers: 2
Physics, 22.06.2019 01:00
Calculate the amount of heat produced when 18000 coulombs of charge is transferred in one hour through a potential difference of 50v
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Physics, 22.06.2019 04:00
Determine the maximum r-value of the polar equation r =3+3 cos 0
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Physics, 22.06.2019 13:10
Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above
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A pinball bangs against a bumper giving the ball a speed of 42cm/s if the ball has a mass of 50.0g w...
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