Physics, 18.10.2019 13:30 Teenabrewer28
Aliquid flowing from a vertical pipe has a very definite shape as it flows from the pipe. to get the equation for this shape, assume that the liquid is in free fall once it leaves the pipe. just as it leaves the pipe, the liquid has speed v0 and the radius of the stream of liquid is r0.
a) find an equation for the speed of the liquid as a function of the distance y it has fallen.
b)combining this with the equation of continuity, find an expression for the radius of the stream as a function of y.
c)if water flows out of a vertical pipe at a speed of 1.20 m/s, how far below the outlet will the radius be one-half the original radius of the stream?
Answers: 1
Physics, 21.06.2019 22:20
Aboxcar traveling at 12 m/s approaches a string of 5 identical boxcars sitting stationary on the track. the moving boxcar collides and links with the stationary cars and they all move off together along the track. what is the final speed of the cars immediately after the collision? (you may take the mass of each boxcar to be 18,537 kg.)
Answers: 1
Physics, 21.06.2019 23:20
According to newton's second law, when the same force is applied to two objects of different masses, a the object with greater mass will experience a great acceleration, and the object with less mass will experience an even greater acceleration, b. the object with greater mass will experience a smaller acceleration, and the object with less mass will experience a greater acceleration, c. the object with greater mass will experience a greater acceleration, and the object with less mass will experience a smaller acceleration, d. the object with greater mass will experience a small acceleration, and the object with less mass will experience an even smaller acceleration.
Answers: 1
Physics, 22.06.2019 13:00
4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?
Answers: 1
Physics, 22.06.2019 15:00
Give an example in which the electrical energy changes to light energy
Answers: 1
Aliquid flowing from a vertical pipe has a very definite shape as it flows from the pipe. to get the...
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