Engineering analysis

1.choose the most accurate defention of LEDs LEDs are “solid-state” plasma mater

1.choose the most accurate defention of LEDs LEDs are “solid-state” plasma materials similar to those in computer chips. produce illumination by allowing electrons to flow across …

1.explain the orientation of the compass needle 2. explain 2 changes flip polari

1.explain the orientation of the compass needle 2. explain 2 changes flip polarity causes on magnetic field and magnetic compass. Physies 12 Module 5 Lab: Electromagnetic Inductio…

1.explain why changing the axis of rotation of an object chances its monent of i

1.explain why changing the axis of rotation of an object chances its monent of inertia ? 2. Why does a long pole help a tightrope walker stay balanced? 3. Stars orginate as large …

1.h A parallel plate capacitor has square plates of side 10 cm separated by 1mm.

1.h A parallel plate capacitor has square plates of side 10 cm separated by 1mm. Calculate its capacitance using c=e, od Express the answer in picofarads 2.hA 90 pF capacitor is c…

1.half-life of a radioactive substance is 2 years. After how many years 75% of t

1.half-life of a radioactive substance is 2 years. After how many years 75% of this substance does decay into other substances? 2. In nuclear fusion two smaller nuclei combine to …

1.how do you account for the difference between the stated value of voltage of t

1.how do you account for the difference between the stated value of voltage of the battery and the measured value if they are different?2 and 3 posted 1. How do you account for th…

1.if a current-carrying conductor has no magnetic force on it when placed in a c

1.if a current-carrying conductor has no magnetic force on it when placed in a constant magnetic field, a.the wire is parallel to the field. b.the wire is perpendicular to the fie…

1.one long wire carries a current of 30A along the entire x-axis. A second long

1.one long wire carries a current of 30A along the entire x-axis. A second long wire carries a current of 40A perpendicular to the xy plane and passes through the point(0,4,0)m. w…

1.show that it would take 2.5 s for a pulse of laser light to reach the Moon and

1.show that it would take 2.5 s for a pulse of laser light to reach the Moon and to bounce back to Earth. 2. A ball with the same diameter as a lightbulb is held halfway between t…

1.suppose that the initial height of the object were measuredfrom the top of the

1.suppose that the initial height of the object were measuredfrom the top of the object at the release point to the floor. howwould this affect your experimental result? is this a…

1.the dollar sign ($) that prececedes number in MC9S12 assembly language means t

1.the dollar sign ($) that prececedes number in MC9S12 assembly language means that? a. it is a hexadecimal number. b. it is a decimal number. c. it is immediate mode. d. all of t…

1.the dollar sign ($) that prececedes number in MC9S12 assembly language means t

1.the dollar sign ($) that prececedes number in MC9S12 assembly language means that? a. it is a hexadecimal number. b. it is a decimal number. c. it is immediate mode. d. all of t…

1.the electricity received at an electric substation has a potential cifference

1.the electricity received at an electric substation has a potential cifference of 2.80 10^5V.if the required output is 440 V. what should be the ratio of the turns of the step-do…

1.the howler monkey is the loudest land animal and can be heard up to a distance

1.the howler monkey is the loudest land animal and can be heard up to a distance of 1.9km. assume the acoustic output of a howler to be uniform in all directions. the distance at …

1.the howler monkey is the loudest land animal and can be heard up to a distance

1.the howler monkey is the loudest land animal and can be heard up to a distance of 1.9km. assume the acoustic output of a howler to be uniform in all directions. the distance at …

1.two flat pieces of glass(n=1.51)are separated by a 0.005 cm thick wire as show

1.two flat pieces of glass(n=1.51)are separated by a 0.005 cm thick wire as shown. the entire system is submerged in oil with n=1.31 and irradiated with yellow light lamda= 580nm.…

1.two small charged objects attract each other with a force F when separated by

1.two small charged objects attract each other with a force F when separated by a distance d. If the charge on each object is reduced to one-sixth of the original value and the di…

1.what effect does increasing tension have upon the frequencyof the wave? why? 2

1.what effect does increasing tension have upon the frequencyof the wave? why? 2.Explain the shape of the curve o your plot of wavelength asa function o the squate root of the ten…

1.what is viscocity? 2.will a helium filled balloon rise indefinitely in the air

1.what is viscocity? 2.will a helium filled balloon rise indefinitely in the air?explain. 3.what do you mean by spherical aberration? 4.does the focal length of a mirror change wh…

1.which of the following descriptions would be correct for someone playing a bas

1.which of the following descriptions would be correct for someone playing a bass so softly you can barely hear it? a) low frequency, high amplitude b)low frequency, low amplitude…

1.which one of the following has bigger volume? a. 1 kg block of aluminum b. 1kg

1.which one of the following has bigger volume? a. 1 kg block of aluminum b. 1kg block of lead c. is the same on each 2. The volume of water displaced by a floating 20 ton boat. a…

1.why the resistor and the light bulb can have two different resistance yet beha

1.why the resistor and the light bulb can have two different resistance yet behave the same way in circuit? 2.is it possible to connect three light bulbs in such a way that they g…

1.–/1 points Charged ParticlesMy Notes | Question Part Points Submissions Used W

1.–/1 points Charged ParticlesMy Notes | Question Part Points Submissions Used Which of the following have a non-zero charge? Choose all that apply. Neutrino Electron Ion Proton N…

1/ (25 pts) A 2.00-kg block is pushed against a spring with negligible mass and

1/ (25 pts) A 2.00-kg block is pushed against a spring with negligible mass and force constant k = 400 N/m. compressing it 0.220 m. When the block is released, it moves along a fr…

1/ A 0.462-m-long guitar string, of cross-sectional area 1.35 × 10 -6 m 2 ,

1/ A 0.462-m-long guitar string, of cross-sectional area 1.35 × 10-6 m2, has Young's modulus Y = 1.87 × 109 N/m2. By how much must you stretch the string to obtain a tensi…

1/ A 0.462-m-long guitar string, of cross-sectional area 1.35 × 10 -6 m 2 ,

1/ A 0.462-m-long guitar string, of cross-sectional area 1.35 × 10-6 m2, has Young's modulus Y = 1.87 × 109 N/m2. By how much must you stretch the string to obtain a tensi…

1/ A 2.00-kg block is pushed against a spring with negligible mass and force con

1/ A 2.00-kg block is pushed against a spring with negligible mass and force constant k = 400 N/m. compressing it 0.220 m. When the block is released, it moves along a frictionles…

1/ A 20.0-kg crate sits at rest at the bottom of a 19.5m -long ramp that is incl

1/ A 20.0-kg crate sits at rest at the bottom of a 19.5m -long ramp that is inclined at 31? above the horizontal. A constant horizontal force of 290 N is applied to the crate to p…

1/ A block of mass m = 1.8 kg is dropped from height h = 41 cm onto a spring of

1/ A block of mass m = 1.8 kg is dropped from height h = 41 cm onto a spring of spring constant k = 2470 N/m (see the figure). Find the maximum distance the spring is compressed. …

1/ A block of mass m = 1.8 kg is dropped from height h = 41 cm onto a spring of

1/ A block of mass m = 1.8 kg is dropped from height h = 41 cm onto a spring of spring constant k = 2470 N/m (see the figure). Find the maximum distance the spring is compressed. …

1/ A bridge-amplifier is used to realize_______. a high CMRR a high maximum comm

1/ A bridge-amplifier is used to realize_______. a high CMRR a high maximum common-mode input voltage a high out-put voltage swing a high output resistance all of the above none o…

1/ A bridge-amplifier is used to realize_______. a high CMRR a high maximum comm

1/ A bridge-amplifier is used to realize_______. a high CMRR a high maximum common-mode input voltage a high out-put voltage swing a high output resistance all of the above none o…

1/ A cylinder 1.00 m tall with inside diameter 0.120 m is used to hold propane g

1/ A cylinder 1.00 m tall with inside diameter 0.120 m is used to hold propane gas (molar mass 44.1 g/mol). It is initially filled with gas until the gauge pressure is 1.30 x 10^6…

1/ A projectile is fired with an initial speed of 1000 m/s at anangle of 37o abo

1/ A projectile is fired with an initial speed of 1000 m/s at anangle of 37o above the horizontal. If air resistance is neglected, the horizontalcomponent of the projectile’s velo…

1/ Carts of different masses, m, are subject to the same force, F. Their acceler

1/ Carts of different masses, m, are subject to the same force, F. Their accelerations are measured. The data collected in this experiment is shown in the table below. You are to …

1/ Describe and define periodic motion and simple harmonic motion (SHM). 2/ Use

1/ Describe and define periodic motion and simple harmonic motion (SHM). 2/ Use the period, amplitude and phase to describe SHM, and find the position, velocity and acceleration. …

1/ For a standard production car, the highest road-tested acceleration ever repo

1/ For a standard production car, the highest road-tested acceleration ever reported occurred in 1993, when a Ford RS200 Evolution went from zero to 26.8 m/s (60 mi/h) in 2.757 s.…

1/ How many coulombs are transferred in two seconds by a current of two amperes?

1/ How many coulombs are transferred in two seconds by a current of two amperes? 3 c 1 c 4 c 2 c 2/ In Millikan's oil-drop experiment, which of the following could NOT be the net …

1/ Imagine a party with n people. When a person comes to the party they go and s

1/ Imagine a party with n people. When a person comes to the party they go and shake hands with a few other people (but not necessarily everyone - in fact there can be unfriendly …

1/ In a compound microscope, the objective lens forms a ____ image while the eye

1/ In a compound microscope, the objective lens forms a ____ image while the eyepiece forms a ____ image virtual, Real real,virtual real,real virtual,virtual 2/ Which of the follo…

1/ In the figure, three uniform thin rods, each of length L = 17 cm, form an inv

1/ In the figure, three uniform thin rods, each of length L = 17 cm, form an inverted U. The vertical rods each have a mass of 11 g; the horizontal rod has a mass of 50 g. What ar…

1/ Productivity is the ratio of: A/ Cost divided by product quality performance

1/ Productivity is the ratio of: A/ Cost divided by product quality performance B/ Salable output divided by resources used C/ Cycle time divided by resources used D/ None of the …

1/ Use the principle of superposition and the boundary conditions for a stretche

1/ Use the principle of superposition and the boundary conditions for a stretched string with a fixed or free end to explain the form of reflected pulses. 2/ Describe standing wav…

1/ Your car\'s fuel efficiency is e = 26 miles per gallon. The fuel pump pulls f

1/ Your car's fuel efficiency is e = 26 miles per gallon. The fuel pump pulls fuel from the tank at the same speed vat which the car itself moves (so if the car is moving 1 mile p…

1/ for reflection to occur, the Z of medium....... must be greater than the Z of

1/ for reflection to occur, the Z of medium....... must be greater than the Z of medium....... 2/since blood cell tend to be tiny with respect to the wavwlength of diagnostic ulrt…

1/ if system A has 4 cycles/pulse and is operating at 5 MHZ and system B has 5 c

1/ if system A has 4 cycles/pulse and is operating at 5 MHZ and system B has 5 cycles/pulse and is operating at 10 MHZ, which system has the shorter pulse duration? 2/ if two syst…

1/2 points 1 Previous Answers 16 8.5P034 My Notes Ask Your «A battleship that is

1/2 points 1 Previous Answers 16 8.5P034 My Notes Ask Your «A battleship that is 7.00 × 107 kg and is originally at rest fires a 800-kg artillery shel horizontally with a velocity…

1/2 points 1 Previous Answers OSColPhys1 19 P.029 Tutoria WA My Notes Ask Your T

1/2 points 1 Previous Answers OSColPhys1 19 P.029 Tutoria WA My Notes Ask Your Teacher O A charge q1-242 c is at a distance d-1.53 m from a second charge q2--SS7 pe (a) Find the e…

1/2 points Previous Answers SerCP10 15.P.003. My Notes Ask Your Te Two metal bal

1/2 points Previous Answers SerCP10 15.P.003. My Notes Ask Your Te Two metal balls A and B of negligible radius are floating at rest on Space Station Freedom between two metal bul…

1/2 points | Previous Answers SerCP11 6.P035 My Notes Ask Your A railroad car of

1/2 points | Previous Answers SerCP11 6.P035 My Notes Ask Your A railroad car of mass 3.45 104 kg moving at 3.15 m/s collides and couples with two coupled railroad cars, each of t…