Homework Answers
Option (a) because the total energy remained same in the cyclic loading in viscoelastic material..so there is no dissipation of mechanical energy in cyclic loading.
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10. Which is these statements is not true of viscoelastic materials? a) There is a dissipation...
5. For each of the following statements, decide whether it is True or False AND provide...
5. For each of the following statements, decide whether it is True or False AND provide a justification for your decision (10 points each). A. The hydrolysis of ATP is required both for the contraction and relaxation of skeletal muscles. ANSWER: B. An actin filament will grow as long as actin monomers continue to be added to the plus end. ANSWER: C. In most animal cells, dyneins transport materials to the periphery of the cell, whereas kinesins transport material to...
Please answer all true/false questions 10. Materials which undergo plastic deformation prior to 11. A true...
Please answer all true/false questions
10. Materials which undergo plastic deformation prior to 11. A true elastic behavior has an instantaneous deformation to load. 12. Grain structure of metals is affected by plastic strain, such as, making wire. T 13. The mechanical behavior of all materials is affected by temperature 14. Elastic deformation changes the arrangement of atoms in materials. 15. 16. T or F failure are said to be "brittle." T or F F T orF T orF or...
Which of the following statements is TRUE?
Which of the following statements is TRUE? A) The higher the temperature, the lower the average kinetic energy of the sampleB) At low temperatures, intermolecular forces become important and the pressure of a gas will be lower than predicted by the ideal gas law. C) The smaller a gas particle, the slower it will effuse D) At a given temperature, lighter gas particles travel more slowly than heavier gas particles.
MCQ 13 (4 marks) Which of the following statements is not necessarily true regarding mechanical waves? A) They are formed by some source of disturbance. (B) They are sinusoidal in nature. (C) The...
MCQ 13 (4 marks) Which of the following statements is not necessarily true regarding mechanical waves? A) They are formed by some source of disturbance. (B) They are sinusoidal in nature. (C) They carry energy (D) They require a medium through which to propagate. (E) The wave speed depends on the properties of the medium in which they travel.
MCQ 13 (4 marks) Which of the following statements is not necessarily true regarding mechanical waves? A) They are formed by...
Which statements are true for an electron moving in the direction of an electric field and...
Which statements are true for an electron moving in the direction of an electric field and why? (There may be more than one correct choice.) (a) Its electric potential energy increases as it goes from high to low potential. (b) Its electric potential energy decreases as it goes from high to low potential. (c) Its potential energy increases as its kinetic energy decreases. (d) Its kinetic energy decreases as it moves in the direction of the electric field. (e) Its...
Which of the following statements is true regarding the interaction between a company and its customers?...
Which of the following statements is true regarding the interaction between a company and its customers? a. Marketers must adhere to traditional performance measures to formulate customer-based missions and goals. b. Customers have greater loyalty to a company after a conflict has been resolved than if they had never complained at all. c. As happy customers typically talk about their buying experiences more than unhappy customers do, the cost of dissatisfaction incurred by a company tends to be low. d....
Which of the following statements about Poeceilopsis occidentalis and Poeceliopsis sonorensis are true? A) Crosses between...
Which of the following statements about Poeceilopsis occidentalis and Poeceliopsis sonorensis are true? A) Crosses between the two species exhibit very low clutch sizes, and a peculiar, male-biased sex ratio. B) Males prefer to mate with their own species, but in a pinch, they will mate with females of the other species too. C) The two species share a common ancestor, approximately one to two million years ago. D) B and C E) All of the above.
QUESTION 10 Which of the following statements is incorrect? A. In the next 15 years, urban...
QUESTION 10 Which of the following statements is incorrect? A. In the next 15 years, urban expansion is likely to develop 5% of all biodiversity hotspot areas. B. The Caribbean is expected to see a high percentage increase of urban expansion in the next 15 years. Endemism is the number of species unique to one location and tends to be highest in places like isolated islands and coastal areas with high habitat diversity. D. A hotspot occurs when urban growth...
6. Which of the following statements is not true? A) Bond breaking is endothermic. B) The...
6. Which of the following statements is not true? A) Bond breaking is endothermic. B) The bond dissociation energy for bond breaking is always negative. C) Bond making is exothermic. D) The bond dissociation energy for bond formation is always negative. 37. Using the bond dissociation energies given, calculate AH® for the following reaction. CH,CH -Br + H2O CH,CH-OH + HBr AH KJ/mol Bond A-B CH3CH2-Br H-OH сHCH-он H-Br A) +108 KJ/mol B) -130 KJ/mol C) -22 KJ/mol D) +22...
True statements about the absorption and emission of energy by an atom include which of the...
True statements about the absorption and emission of energy by an atom include which of the following? I. An atom can only absorb photons of light that have certain specific energies. II. An atom can emit photons of light of any energy. III. At low temperature, the lines in the absorption spectrum of an atom coincide with the lines in its emission spectrum that represent transitions to the ground state. A. I only B. III only C. I and III...
5. For each of the following statements, decide whether it is True or False AND provide a justification for your decision (10 points each). A. The hydrolysis of ATP is required both for the contraction and relaxation of skeletal muscles. ANSWER: B. An actin filament will grow as long as actin monomers continue to be added to the plus end. ANSWER: C. In most animal cells, dyneins transport materials to the periphery of the cell, whereas kinesins transport material to...
Please answer all true/false questions
10. Materials which undergo plastic deformation prior to 11. A true elastic behavior has an instantaneous deformation to load. 12. Grain structure of metals is affected by plastic strain, such as, making wire. T 13. The mechanical behavior of all materials is affected by temperature 14. Elastic deformation changes the arrangement of atoms in materials. 15. 16. T or F failure are said to be "brittle." T or F F T orF T orF or...
MCQ 13 (4 marks) Which of the following statements is not necessarily true regarding mechanical waves? A) They are formed by some source of disturbance. (B) They are sinusoidal in nature. (C) They carry energy (D) They require a medium through which to propagate. (E) The wave speed depends on the properties of the medium in which they travel.
MCQ 13 (4 marks) Which of the following statements is not necessarily true regarding mechanical waves? A) They are formed by...
QUESTION 10 Which of the following statements is incorrect? A. In the next 15 years, urban expansion is likely to develop 5% of all biodiversity hotspot areas. B. The Caribbean is expected to see a high percentage increase of urban expansion in the next 15 years. Endemism is the number of species unique to one location and tends to be highest in places like isolated islands and coastal areas with high habitat diversity. D. A hotspot occurs when urban growth...
6. Which of the following statements is not true? A) Bond breaking is endothermic. B) The bond dissociation energy for bond breaking is always negative. C) Bond making is exothermic. D) The bond dissociation energy for bond formation is always negative. 37. Using the bond dissociation energies given, calculate AH® for the following reaction. CH,CH -Br + H2O CH,CH-OH + HBr AH KJ/mol Bond A-B CH3CH2-Br H-OH сHCH-он H-Br A) +108 KJ/mol B) -130 KJ/mol C) -22 KJ/mol D) +22...
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