State Longmuir's law.
Q: The decibel is defined as ten times the logarithm of power gain, expressed as power out over power…
A: Solution:-Given thatdB=10 logPoutPinwhere dB=dBSIL; when Pin=10-12 W/m2dBSIL=1131 W=1000 mW
Q: 300mm Water 450mm 30° Mercury (SG = 13.6) "X" 350mm In the manometer shown above, pressure at point…
A: Given: Pressure at 1 = 5000 Pa + Pressure at 2 We have to find value of X in mm
Q: A confined aquifer at a depth of 34.8 m is encountered during the drilling of a water well. The…
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Q: A river is to be crossed by a girl using a row boat. Rowing Speed Direction of Boat River Velocity…
A: Given, River velocity and boat velocity.
Q: Calculate the overburden at 9,000 ft (in psi) assuming that the bulk-density equation in this area…
A: Given:- The overburden pressure is given by: Pz = P0…
Q: give a real life example situation of malu's law
A: Malu's law states that when a completely plane-polarized light is incident on the analyzer, the…
Q: 4. In what way can a pulsating direct current be improved? A. Increase number of rotating coils on…
A: 4. correct option D. All of the above
Q: Find the tension in each cord in the following figure if the weight of the suspended mass is W = 350…
A: Visualize the Problem:
Q: Suppose an object is at 30.0 cm in front of a spherical lens that has a focal length of -40.0 cm.…
A: Given: distance of object, u = - 30.0 cm (sign convention) focal length of lens, f = - 40 cm…
Q: Water flows in a rectangular, concrete (n=0.013), open channel that is 20m wide, at a depth of 3.0m.…
A: Given: The value of n for concrete n = 0.013. The width of the open channel w = 20 m. The depth of…
Q: Light of wavelength 515.00 nm is incident normally on a diffraction grating, and the second-order…
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Q: 23. Find the work W required to empty the tank in Figure 8 through the hole at the top if the tank…
A: Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…
Q: Draw a cross-section and explain how quicksand forms.
A: A constant flow of water causes the sand to get wet. Since water cannot escape it liquifies the…
Q: 1. Rearrange the equation to solve for n: 1 (7-²) AE = -2.18 × 10-18J On the energy diagram, draw an…
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Q: Rocks are sometimes used along coasts to prevent erosion. If a rock needs to weigh 2,000 kilograms…
A: Given m=2000 kg Density d =3200 kg/m3
Q: Question 22 of 44 Aluminium has a density of 2.70 g/cm. How many moles of aluminum are in a 13.2 cm…
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Q: As stream velocity decreases, which factor will likely increase? A. erosion of the stream bank B.…
A: Required : As stream velocity decreases, which factor will likely increase.
Q: You illuminate a slit with a width of 70.1 µm with a light of wavelength 711 nm and observe the…
A: Given: Slit width, d=70.1 μm Wavelength of light, λ=711 nm Distance between slit and screen,D=2.25 m…
Q: Can the United States control the course of the Mississippi River indefinitely?
A: Yes, United States can control the course of the Mississippi River indefinitely. The Mississippi…
Q: 1. Predict how the speed of a pulse will change if we stretch the spring more (that is, we increase…
A: 1. The speed will increase as the tension in the spring increases. Here, v =Tμ12 hence the speed is…
Q: 5) Two identical sinusoidal waves with frequency of 20 Hz travel in the same direction at the same…
A: Write the expression for the amplitude of the resultant wave, and solve it as follows.…
Q: 5. For the channel shown assume a = 1m, b = 3m, d = 2m, w = 8m and n = 0.015, what bed slope is…
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Q: A stream moving with a speed of 0.5 m/s reaches a point where the cross-sectional area of the stream…
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Q: For flow nate 28 Lis rale Sind. Eし、60M puup Power Lo0 MM. 4ち0 mm El. 30M
A: SOlution : given that Q = 28 l/s dh=h2-h3=60-30=30 m to find the pump power
Q: Two long, parallel conductors separated by 20.0 cm, carry currents in opposite direction, given by…
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Q: indicate multiple data flows. Seven plus or minus two Seven plus or minus three Three dots Miller…
A: multiple data flows
Q: What is the primary purpose of a retaining wall? a) To provide structural support to buildings b) To…
A: Retaining walls are primarily used to restrain and hold the soil mass at critical slopes against…
Q: robb Problem 10: A 200 turn circular loop of radius 45 cm is lying flat on the ground with a current…
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Q: Assume the light wave directed at the paper is white light and the paper contains pigments that…
A: Here the pigments absorb the wavelength of red ,orange,yellow,blue,indigo,violet. And we know that…
Q: All of the following are examples of ridge characteristics EXCEPT spoon O hook O bridge O island
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Q: A stream moving with a speed of 1.2 m/s reaches a point where the cross-sectional area of the stream…
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Q: 2. Consider the system shown in the following figure. The coefficient of kinetic friction between…
A: Given that wA=283N Coefficient of kinetic friction=0.36 For part (a) velocity of block B is constant…
Q: 9. Calculate the centripetal acceleration of the Earth due to the gravitational pull of the Sun.…
A: Given Mass of earth Me = 5.97 x 1024 Kg Mass of Sun Ms = 1.99 x 1030 Kg The radius of the earths…
Q: See Attatchment
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Q: Three boxes are attached together with ropes having tensions T₁ and T2, as shown in the figure…
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Q: The volume flow rate may be measured in units of and the linear flow rate may be measured in units…
A: The volume is measured in litres so volume flow rate can be measured in mL/min ,μl/min,nl/min and in…
Q: Explain the concept of Constant Thrust ?
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Q: A 0.4 kg ball is thrown straight up in the air with initial speed of 64 m/s. Assuming that there is…
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Q: The force of the atmosphere at sea level against the outside of a 10 m2m2 store window is about 1…
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Q: A light beam is traveling through an unknown substance. When it strikes a boundary between that…
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Q: What is the Wheatstone bridge and where is it used?
A: The combination of four resistances with null deflection is called Wheatstone bridge and the circuit…
Q: 10. How far will a hockey puck with mass of 0.5 kg and initial velocity of 30 m/s travel on ice, if…
A: Mass of hockey m = 0.5 kg Initial velocity u = 30 m/s Coefficient of kinetic friction μ = 0.08
Q: A box is resting in place on a sidewalk which is slanted by a hill. In this case, neither the normal…
A: 1) incorrect- because we have to calculate all the forces acting on the body, whatever we choose the…
State Longmuir's law.
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