7) The equation resultant wave from the superposition of two waves propagating in opposite directions is: y = 0.4 sin (2nx) Cos (2nt) Knowing that the considered medium is formed of 3 nodes, determine the positions of this 3 points, assuming that one end is the point x-0: A x1 = 0 m, xz= 2m, X3= 4m, B-x1 = 0 m, x2= 1m, x3 = 2m, C- x1=0m, x2= 0.75m, x3 = 1. 5m, D- x1= 0 m, x2 = 0.5 m, x3= 1m, E x1= 0 m, xz= 0.25 m, X3 = 0. 5m,
7) The equation resultant wave from the superposition of two waves propagating in opposite directions is: y = 0.4 sin (2nx) Cos (2nt) Knowing that the considered medium is formed of 3 nodes, determine the positions of this 3 points, assuming that one end is the point x-0: A x1 = 0 m, xz= 2m, X3= 4m, B-x1 = 0 m, x2= 1m, x3 = 2m, C- x1=0m, x2= 0.75m, x3 = 1. 5m, D- x1= 0 m, x2 = 0.5 m, x3= 1m, E x1= 0 m, xz= 0.25 m, X3 = 0. 5m,
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Transcribed Image Text:7) The equation resultant wave from the superposition of two waves
propagating in opposite directions is: y = 0.4 sin (2nx) Cos (2at)
Knowing that the considered medium is formed of 3 nodes,
determine the positions of this 3 points, assuming that one end is the
point x=0:
A x = 0 m,
x2= 2m,
X3=4m,
B-x, = 0 m, x3= 1m,
*3 = 2m,
C- x1=0 m,
x2= 0.75m, x3 = 1. 5m,
D- x= 0 m,
x2 = 0.5 m, x3= 1m,
E- x, = 0 m,
x2= 0. 25 m,
X3 = 0. 5m.
O A
В
C
O D
E
Transcribed Image Text:8) A pipe of diameter 20cm is used to fill a tank of volume 150m3, knowing
that the water is moving with a speed of 1.4m/sec, determine the time needed
to fill completely the tank.
A- time = 2.5 minutes,
B- time = 4. 19 minutes
C- time = 16.6 minutes
D- time = 56.9 minutes
E- time = 3412 minutes
A
В
D
E
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