otion. 3. Define the terms Vibration and explain types of vibration. 4. Explain Sound with it properties
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1. Discuss acoustics of building.
2. Explain Sound waves motion.
3. Define the terms Vibration and explain types of vibration.
4. Explain Sound with it properties
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- Explain force of friction between two bodies. If a wooden block of weight 100 N rests on a horizontal plane. Determine the force required to just (a) Pull it and (b) Push it. Take coefficient of friction equal to 0.4 between the sliding surfaces.Fluid mechanics lossesDynamics of Rigid Bodies problem:
- ) Room ventilation is an important area of environmental and architectural engineering for the application of fluid mechanics. Suppose there is a source S (mass per unit time) of air pollution in a room of volume V. Examples include carbon monoxide from cigarette smoke or an unvented kerosene heater, emissions from household cleaning products, and vapors given off by evaporation of volatile organic compounds from an open container. Let C represent the mass concentration (mass of contaminant per unit volume of air) and Q represent the volumetric flow rate of fresh air entering the room. If the room air is well mixed so that the concentration is uniform throughout the room, but varies with time, the differential equation for mass concentration in the room is: Where kw is an adsorption coefficient and As is the surface area of walls, floors, etc., that adsorb some of the contaminant. V.dC/dt = S-QC-Aw.As.C Write the primary dimensions of the first three additive terms in the equation,…Explain force of friction between two bodies. If a wooden block of weight 100 N rests on a horizontal plane. Determine the force required to just (a) Pull it and (b) Push it. Take coefficient of friction equal to 0.4 between the sliding surfaces. PLEASE SOLVE IT ON PAGEJen is working on a spring–mass–damper system, as shown. She remembers from her dynamic systems class that the damping ratio ? is a nondimensional property of such systems and that ? is a function of spring constant k, mass m, and damping coefficient c. Unfortunately, she does not recall the exact form of the equation for ? . However, she is taking a fluid mechanics class and decides to use her newly acquired knowledge about dimensional analysis to recall the form of the equation. Help Jen develop the equation for ? using the method of repeating variables, showing all of your work.
- Question : write a system of linear equation representing any physical phenomena. (i) Solve the system by analytical method. (ii) Solve the system by numerical method.If you exert a force F on an object which has a much greater mass than you do, the force which the object exerts on you will A. be of magnitude F and in the opposite direction B. be of magnitude F and in the same direction C. be zero D. be of much less magnitude than F E. be of much greater magnitude than FSubject : Fluid mechanics Read the question carefully and give me both right solutions according to the question