1. A wire 2.0 m long and cross sectional area of 10-6 m2 is stretched 1.0 mm by a force of 50.0 N. Calculate:
(a) The stress. (5.0 x 107 N/m2 )
(b) The strain. (5.0 x 10-4 )
(c) Young’s modulus of elasticity. (1.0 x 1011 N/m2)
(d) The energy stored in the wire. (0.025 J)
1. A wire 2.0 m long and cross sectional area of 10-6 m2 is stretched 1.0...
A copper wire of length 1 meter, cross sectional area 7.1 X 10‑6 m2 and Young’s modulus 11 X 1010 N/m2 has a mass load hung on it. If its increase in length is 1 mm, what is the value of the mass? 400kg 80kg 800kg 40kg 200kg
A copper wire of length 1 meter, cross sectional area 7.1 X 10‑6 m2 and Young’s modulus 11 X 1010 N/m2 has a mass load hung on it. If its increase in length is 1 mm, what is the value of the mass? a) 40kg b) 80kg c) 200kg d) 400kg e) 800kg Please help me. Thank you
The resistivity of a 1.0 m long wire is 1.72 × 10-8 Om and its cross sectional area is 2.0 × 10-6 m2. If the wire carries a current of 0.20 A, what is the voltageacross the wire?a) 10 mVb) 17 mVc) 0.90 mVd) 1.7 mVe) 90 mV
A vertical wire 2.1m long and of 0.0042 cm2 cross sectional area has a Young’s modulus of 2.00 x 1011 Pa. A 4.0 kg object is fastened to its end and stretches the wire elastically. If the object is now pulled down a little and released, the object undergoes vertical single harmonic motion. Find the period of its vibration.
A marble column of cross-sectional area 0.50 m2 supports a mass of 32000 kg . The elastic modulus for marble is 5.0×1010N/m2. Part A Part complete What is the stress within the column? Express your answer to two significant figures and include the appropriate units. stress = 6.3×105 Nm2 SubmitPrevious Answers Correct Part B What is the strain on the column? Express your answer using two significant figures. strain = 1.26•10−6 SubmitPrevious AnswersRequest Answer
A marble column of cross-sectional area 0.50 m2 supports a mass of 32000 kg . The elastic modulus for marble is 5.0×1010N/m2. Part A Part complete What is the stress within the column? Express your answer to two significant figures and include the appropriate units. stress = 6.3×105 Nm2 SubmitPrevious Answers Correct Part B What is the strain on the column? Express your answer using two significant figures. strain = 3•10−2 SubmitPrevious AnswersRequest Answer
Question 1 (10 marks) Consider the bar element shown in Figure 1. Cross sectional area A = 200 mm and Young's modulus E = 200 x 107 kPa. If u = 3 mm and u2 = 2 mm, determine: (a) the displacement at point P, (b) the strain, (c) the stress, and (d) the strain energy in the element. U] U2 x = 400 mm xi = 200 mm x2 = 700 mm Figure 1 EAL 2 Note: the strain...
A wire of unknown material with a cross-sectional area of 1 mm^2 and an unstretched length of 0.5 m is stretched through the application of known forces. From the plot of force as a function of Delta L in the figure, the Young's modulus of the material is: A. 4 times 10^10 N/m^2 B. 80 N/m^2 C. 40 N/m^2 D. 8 times 10^10 N/m^2 E. none of the above
A metal rod that is 4.0 m long and 0.05 m2 in cross-sectional area is found to stretch 0.01 m under a tension of 5000 N. What is Young's modulus (in N/m2) for this metal? Tensile stress_FI/A Tensile strainAll Filo A Al 4 x 106 1 x 107 4 x 108 1x 108 4 x 10
A rod with cross-sectional area of 100mm2 is stretched between two fixed points such that the initial tensile load is 10kN. The rod has a modulus of elasticity equal to 180 GPa and a coefficient of linear expansion of 0.00001m/m-C. The initial tension is designed such that the rod will have zero stress when there is a certain change n temperature of the rod environment. What is the temperature (in C, 2 decimal places)?