Subject - Determine the effects of sound and vibration related to building services and human comfort   Question - Explain the priciples of sound and vibration on room acoustics and thier impact on human hearing

Q: For pendulum swings back and forth three times before coming to rest. Which describes this system?…

A: Here, the motion is damped oscillator as the energy of the oscillaotr is decreases.

Q: Where is Nd: YAG most commonly used? Select one: a. Welding b. Photography c. Optical Communications…

A: The most common application of Nd : YAG is surgery related, both ophthalmic and cosmetic. The body…

Q: The non-conservative damping force removes energy from a system in which form?  a. Mechanical energy…

A: A non-conservative force is a force for which the work done depends on the path taken. Such forces…

Q: Fixed pad isolators are suitable to reduce vibrations for A. Low building B. Med building C. High…

A: Isolators are used to reduce the vibrations

Q: A uniform density stick of length L oscillates as a physical pendulum. It is pivoted a distance x…

A: Distance of pivot from COM = d = x

Q: The frequency equation of vibrating beam shown in figure below is coskl. coshkl = -1 Where k? =2,a²…

A: Given: The following data are provided L = 4 m I = 8 x 10-5 m4 E = 200 Gpa γ = 76 × 103 N/m3 A =…

Q: graph to fill in the table. x (m) 200 100 -100 -200 0.25 0.5 0.75 (rad) ---Select--- 1.25 1.5 1.75…

A: Given data- An object exhibiting SHM and Position versus time graph is given.

Q: The students perform four experiments, as described. Experiment 1: Determine the relationship…

A: Time period of pendulum is given as follows: T=2πlg l is the length of the pendulum. hence time…

Q: Required information The air pressure variations in a sound wave cause the eardrum to vibrate. For a…

A:

Q: EI= 8 2m 4m 3m

A: Free vibration frequency  , fq=12π2Eb1h13ma13

Q: position, and 420 ergs when it is at a distance of K.E. of 480 erg when it is at 2 cm from mean Ex.…

A: (K.E.)1=480 ergx1=2 cm(K.E.)2=420 ergx2=4 cmT.E.=?a=?

Q: Monochromatic electromagnetic radiation falls on double slits separated by distance 4.3 um, creating…

A:

Q: An object that completes 100 vibrations in 5 seconds has a period of A) 0.5 second B) 2 seconds C) 1…

A: An object completes 100 vibrations in 5 sec.

Q: A mass m attaches to a spring and reaches its equilibrium point. Assume the mass m is pulled…

A:

Q: in SHM- forces A spring Stretche suspended from onE If a 40.0g maSS Oscill ates SH a) With an…

A: The equation of motion for a mass on a spring, using Hooke's law is given as F=-kx where F is the…

Q: In the formula F = − kx , what does the minus sign indicate?  a. It indicates that the restoring…

A: F =-k x

Q: 2 6 +6 의ime 5 7 10 15 20 (s) -6 4 8.

A:

Q: A string 4 mm in diameter has original length of 2m. The string is pulled by a force of 200 N. If…

A:

Q: The splashing of a liquid resembles an oscillation. The restoring force in this scenario will be due…

A: When in a still water disturbance is created either by hitting it with a stone or by some other…

Q: 1.Smooth surface between the object and the table 2.The spring factor constant is K 3.The…

A: The object of is compressed against the spring, of spring constant k, to some distance x. As this…

Q: Consider a boulder weighing a Tonne that is attached to a spring that oscillates with a maximum…

A:

Q: A 39 kg child is jumping on a trampoline with a spring constant of 4700 N/m. On a particular jump,…

A:

Q: The springs of a 1600 kg car compress 4.5 mm when it’s 65 kg driver gets into the seat if the car…

A:

Q: 10 You have carried out an experiment to investigate the effect of the length of a pendulum on the…

A: We will use the percentage error formula in this problem,

Q: An object that completes 6 vibrations in 36 seconds has a frequency of? a) 0.58 hertz b) 6 hertz…

A:

Q: Problem 3: A particle of mass 2g is making simple harmonic motion along x-axis. At distances 6cm and…

A: The velocity of the particle performing SHM at position x is given by the formula v=ωA2-x2 Where A…

Q: If the force stretching a spring is twice as big, what will happen to its stretch? A. halves B.…

A: In a spring force system, force(F)= spring constant(K) times stretch(X).F=KX

Q: 1. Spring constant from the static method has units N/m, whereas the dynamics method we get kg/s².…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Which of the following are closed systems? a. Earth b. a car c. a frictionless pendulum d. a mass on…

A: Given: Which of the following are closed systems a. Earth b. a car c. a frictionless pendulum d. a…

Q: The time rate of change of mechanical energy for a damped oscillator is always:  a. 0 b. Negative c.…

A: Explanation: In a damped oscillator, the mechanical energy from the oscillator is removed and as…

Q: If you drive an old, run-down car, and every time you hit the brakes the front of the car bounces up…

A:

Q: Simple pendulum A swings back and forth with twice the length of pendulum B compare to the length of…

A: Here, we use the formula for frequency of a pendulum.