A reservoir 15 m x 160 m in plan has its side vertical. It discharges through a rectangular suppressed weir. The initial head being 375 mm. How long is the crest if 30 minutes are required to lower the upper level to 338 mm. Francis formula.

Q: Ocean waves with a period of 16 s and a height of 2.5 m are incident on a region of coastline. If…

A: Wave period (T): 16 secondsWave height (H): 2.5 metersEfficiency of wave-to-electricity conversion:…

Q: 10. In an industrial cooling process, water is circulated through a system. If water is pumped with…

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Q: 1.175 uF is not an option in the multiple choice for this question. Please redo answer.

A: Given : Capacitance , C = 4.7 uF  Inductance, L = 5 mH  Find : new value of capacitance needed to…

Q: Consider a piston of radius 5 cm mounted on an infinite baffle. It is driven at a frequency 2500 Hz…

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Q: A tuning fork was sounded over an adjustable closed air column. It was found that the difference…

A: Given, Difference between second and fifth resonant lengths, L=90 cm=0.9 m Temperature, t=25°C

Q: A standing wave pattern with 8 nodes is created in a string of length 1.9 m by using waves of…

A: Q. Given information Length of the string L = 1.9 m Frequency of the wave f = 136.0 Hz  Number of…

Q: In the figure shown tension in the string at equilibrium position is (mg)² + 92 2nE,! (mg) 2n E,…

A: The free body diagram of a given question as shown below.

Q: A 2.0-m-long string is under 20 N of tension. A pulse travels the length of the string in 50 ms.…

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Q: A mass of 0.75 kg stretches a spring 0.1 m. The mass is in a medium that exerts a viscous resistance…

A: m=0.75 kguo=0.1 mumax=0.03 mv(0)=0 m/s   [as released]g=9.8 m/s2

Q: Find D  D = ?

A: Given information: Here, vA is the Adriana’s walking speed, rf is the distance between the Adriana…

Q: Given the following information about the Diamond; lattice constant 3.56 A, the speed of sound in…

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Q: A 5.50 g mass is suspended from a cylindrical sample of collagen 3.50 cm long and 2.00 mm in…

A: The expression for the Young’s modulus is,

Q: sure recovery when the at Ax/A, 1.2, i.e. th

A: Given as, p0=30 kPa

Q: Consider a monoatomic 1 D chain with nearest- neighbor interactions. Assume s spring constant K = 25…

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Q: You hear a noise with an intensity of 6.5 × 10-4 Watts/m2. Calculate the intensity in decibels. Use…

A: Part (1): Given: The intensity is 6.5x10-4 W/m2.

Q: 4. In an experiment, sound pulse is produced by a speaker on a day where the temperature is 22 °C.…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A copper rod is given a sharp compressional blow at one end. The sound of the blow, traveling…

A: Given data The temperature of the air is Ti = 0°C. The time difference by the sound is ∆t = 6.4 ms.…

Q: Suppose flud B has 3.5 times the Bulk madulus and 1.7 times the density of fluid A. Find the ratio…

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Q: What is the sine of 30°?     1.     0.     -0.988     0.5     0.866     0.707

A: Given: The angle is 30o. To find: sin value of given angle.

Q: by, Flow Pi direction P2 128 μ L Q n D4 P-P2 = %3D Determine the uncertainty in the measured…

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Q: Describe what is meant by the quality factor, Q, of a mechanical oscillator.

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Q: 3.2. Pipe A is 0.50 m long and open at both ends. Pipe B is open at one end and closed at the other…

A: Given in question - Length of Pipe A (L1) = 0.50 m                                   Pipe B has same…

Q: Consider an organ pipe 1.72 m long that has one open and closed end. What is the funda- mental pitch…

A: Length of organ pipe                               Speed of sound

Q: onvert the following sound pressure levels to sound pressure: Lp = 80 dB Lp = 15 dB

A: Given data, Lp=80 dBLp=15 dB

Q: 1. A 50-cd point light source is 3.0 inches above the desk. What is the surface lighting on the…

A: 1. Given data: -  The luminous intensity is I = 50-cd. The distance of the light source above the…

Q: A pulse moves along a 6.5 m long taught string at 21 m/s.  If the tension of the string is 4.3 N,…

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Q: I need the answer as soon as possible

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Q: A flute can be modeled as an open-open tube. My flute is L = 0.5969 m from %3D mouthpiece (one open…

A: In the following problem, we have a flute (considering as open-open tube) with the length, L=0.5969…

Q: One technique of estimating the length of a metal is by recording the time it takes for a pulse to…

A: Given :    Y= 190568780717 N / m² Density = 8534 kg/m³ Time = 0.00297 s L = ?

Q: A stone is dropped from rest into a well. The sound of the splash is heard exactly 1.10 s later.…

A: The formula for speed of sound in air is given by v=331 ms1+TC273°C=331 ms1+11°C273°C=337.6ms The…

Q: A 24 g string is under 25 N of tension. A pulse travels the length of the string in 60 ms. How long…

A: mass  m = 24 gtension T = 25 Ntime T = 60 msHow long is the string?

Q: 12. Apoint monopole source (q = 1 m³/s) pulsates in air at 20°C from 1 to 1000 rad- of the angular…

A: As we know that,I∝1R2 ....aNow, let the two intensities be I1 and I2 at distance R and 2RAs we are…

Q: What is the frequency of the 1st mode for the bottle?

A: we know , frequency f=1V   (where V=volume)----------------------(1)                         ANS:The…

Q: In a liquid with a density of 1100 kg/m3, longitudinal waves with a frequency of 370 Hz are found to…

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Q: nv fn= 2L to find f8 by giving v=340 m/s, the length of string L = 0.5 m

A: Given fn =nv/2L

Q: 2. Where will the focal point be for the convex lens? Above the lens Below the lens After the lens…

A: Concave and convex lens are the two types of lenses in optics. Focal point is basically the point on…