1) An elastic and a viscoelastic material are subjected to a sinusoidal of frequency, w. The instantaneous rate of energy absorption is equal to stress times the change in strain with time. Calculate the amount of energy dissipated by each material over a full period of oscillation. How is this energy dissipated?.

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:…

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Q: Two steel springs arranged in series as shown supports a load P. The upper spring has 12 turns of…

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Q: A 10-in-long prismatic steel bar is compressed with a force P = 6000 lb. If E= 30 x10 6 psi.…

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Q: 8. Find potential energy per unit volume in compressed bone tissue. Suppose that compressing force…

A: The potential energy stored in a body under compression is, u=UV=σ22YWhere,  U=total potential…

Q: a) Sketch a stress-strain diagram for a metal indicating the proportional limit, yield point,…

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Q: 1. A frame ABC shown in Figure 2 consists of a tension member AB and a compression member BC. Member…

A: Given that  Mdulus of elasticity,E=200 GPa=200×109Pa Horizontal force,H=150 kN=150×103N Length,L=3.5…

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Q: A batch of casted mild steel has a modulus of elasticity of 200 GPa and a yield strength of 250MPa.…

A: Given: The modulus of elasticity is 200 GPa. The yield strength is 250 MPa. Introduction: The…

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A: Given,  the graph of stress-strain of a ductile metal To find which are true.

Q: A wire of length 3 m and diameter 0.3 mm is stretched by hanging a weight of 2 kg from it and the…

A: Given data: Original length of the wire L=3 m. Elongation in wire ∆L=2 mm. Diameter of the wire…

Q: A steel wire is acted upon by a load of 10 N. Calculate the extension produced in the wire if strain…

A: We have to compute the extension produced (l)=?The data provided are-Load (F)=10 NStrain energy…

Q: A steel rod (E = 200 Gpa) has a Ilong. Circular Cross section 20m long. Determine the minmum…

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Q: Calculate the volumetric change in a copper cube of side length (40mm) when subjected to a pressure…

A: Length of the copper cube is L = 40 mm = 40×10-3 m Pressure applied, P=20 MPa = 20×106 Pa Modulus of…

Q: P-1. A steel shaft 2 m long that has a diameter of 90mm. is subjected to a torque of 10 KN-m. Use G…

A: Given data d=90 mmT=10 kN-mG=200 GPa Here, d is the diameter and T is the torque. While G is the…

Q: 5. For a linear viscoelastic material, assume its = 3 seconds, T = 31 seconds, ER = 150 MPa, please…

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Q: 1-66. Determine the largest load P that can be applied to the frame without causing either the…

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Q: Calculate the work done in stretching steel wire of length 2 m and of cross sectional area 0.0225…

A: To find-Work done (W)=?Given-Length (L)=2 mArea (a)=0.0225 mm2=0.0225×10-6 m2Load (F)=100 NYoung's…

Q: A steel wire of length 20 m is stretched through 20 mm. The cross-sectional area of the wire is 4-0…

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Q: 6. A hollow steel cylinder is compressed by a force P (see figure). The cylinder has inner diameter…

A: Solution:-Given thatInner diameter (d1)=3.9 inOuter diameter (d2)=4.5 inModulus of elasticity…

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Q: Find the modulus of elasticity of a brass rod of cross section 20 mm x 20 mm and length 250 mm…

A: Cross section Area, A = 20x20 mm2                                 A= 400 X 10-6 m2 Length, L = 250…

Q: If the Junk modulus of Y is 160GPA and the shear modulus of elasticity is 0.25Y, what is the value…

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Q: 2. A tubular aluminium bar of a square cross section with outside dimensions of 50 mm x 30 mm,…

A: Given that  Torque,T=300 Nm shear stress,S=20 MPa=20×106 Pa Allowable rate of twist,θ=0.025 rad/m…

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A: To answer:  The torsional stiffness and the shear flows.

Q: The bulk modulus of K, modulus of elasticity E and Poisson's ratio is then which of m the following…

A: The relation between the bulk modulus(K), modulus of Elasticity(E) and the Poisson's ratio(ν) is…

Q: 2- The square plate is deformed into the shape shown by the dashed line. Determine the average…

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Q: c) A tensile stress is to be applied along the long axis of a cylindrical brass rod that has a…

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