7. in a spring mass system if the mass of spring is taken into account while computing natural frequenois double of the natural frequency of the systedoes not coincide with natural frequency of theSelect the correct answer.1- Which of the following disciplines provides study of relative motion between the parts of a machinea- Theory of machines.c- Kinetics.b- Applied mechanics.d- Kinematics.2- The tendency of a body to resist change from rest or motion is known asb- Friction.d- Resistant force.a- Mass.Inertia.C-3- Which one of the following is not a characteristic of a continuous dynamic system?b- The system response cannot be calculated.The equations of motion are partialdifferential equations.a-The system has an infinite number ofdegrees of freedom.d- Both boundary conditions and initialconditions must be specified.C-4- Amplitude of vibration is not a measure ofa- Displacement.c- Acceleration.b- Velocity.d- Phase.5- Overlapping data helps ina- Improving frequency resolution.c- Enhancing processor speed.b- Improving amplitude accuracy.d- Reducing time to collect vibration data.Page 1 of 2* Resonance is a phenomenon in which the ftequency of the external exciting forcea is halt'of the aanural frequency ofthe system.• coincides with natural frequency ofthe systemt.b-d-frequency would bea increaseda remain sameb-decreasedd-none of the aboved= d,

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Select the correct answer. 1- Which of the following disciplines provides study of relative motion between the parts of a machine a- Theory of machines. C- Kinetics. b- Applied mechanics. d- Kinematics. ahonge from rest or motion is known as

Select the correct answer. 1- Which of the following disciplines provides study of relative motion between the parts of a machine a- Theory of machines. C- Kinetics. b- Applied mechanics. d- Kinematics. ahonge from rest or motion is known as

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question #1 a).What is friction and angle of friction. b).Please derive an equation for time period of simple pendulum c).Define center of gravity and also write an equation for some regular bodies.
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5 kN 1m 2 m- 2m 3 kN B 2m
5. Describe enthalpy of formation. Please select all answers that apply: a) Standard enthalpy of formation is the amount of change in enthalpy evolved during the formation of 1 mole of the substance from its constituent elements with all elements in their standard states. b) Standard enthalpy of formation is the energy associated with chemical bonds. c) Standard enthalpy of formation is the amount of change in enthalpy evolved during the formation of 100 moles of the substance from its constituent elements with all elements in their standard states. d) Standard enthalpy of formation is the amount of change in enthalpy evolved during the formation of 1 Kg of the substance from its constituent elements with all elements in their standard states. e) Standard enthalpy of formation is the energy associated with heat transfer.
Part 1. Using the simulator "Explore 2D option". Activities. 1.1) Using the simulator, Explore 2D, and given the value for vectors a, b and c, represent all vectors in the simulator and complete the data table 1, show all formulas and calculations. 1.2) Attach the diagram to the lab report with three vectors and their components. 1.3) In which quadrant are the vectors a, b and c. Describe the signs of its components. Could you establish some rule about their signs? Explain. Table 1.EXPLORE 2D Vector a Vector b Magnitude Direction Magnitude Direction 23.3 59° 25 143.1° Component X Component y Vector c Magnitude 13.9 Direction -159
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SUBJECT: PHYSICS
Define the following terms: i) Dynamic equilibrium ii) Centroid iii) Angular acceleration
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