Engineering analysis

1. The radius of a coil of wire with N turns is r = 0.28 m. A clockwise current

1. The radius of a coil of wire with N turns is r = 0.28 m. A clockwise current of Icoil = 1.0 A flows in the coil, as shown. A long, straight wire carrying a current Iwire = 29 A…

1. The range of audible frequencies is from about 20 Hz to 20000 Hz . What is ra

1. The range of audible frequencies is from about 20 Hz to 20000 Hz . What is range of the wavelengths of audible sound in air? Express your answer in meters to two significant fi…

1. The rate of spin of a disk is decreasing. A point on the disk that is near th

1. The rate of spin of a disk is decreasing. A point on the disk that is near the rim of the disk will have D. Zero radial acceleration and a zero tangential acceleration 2. Which…

1. The rational decision making process has six steps; we know that as decision

1. The rational decision making process has six steps; we know that as decision makers (who are human, not machines) we don’t always operate rationally. From the 6 step model, sel…

1. The received power at a receiver antenna is -38 dBm. If the system impedance

1. The received power at a receiver antenna is -38 dBm. If the system impedance is 50 Ohms, what is the voltage at the receiver antenna? A. 2815 mVrms B. 2.815 mVrms C. 89 mVrms D…

1. The record for the fastest marathon run is 26.164 miles in 2.08 hours. If the

1. The record for the fastest marathon run is 26.164 miles in 2.08 hours. If the runner were a progressive wave, how quickly would he be traveling in m/s? 2. You have been asked t…

1. The refractive index n of glass depends on the color (wavelength) of the ligh

1. The refractive index n of glass depends on the color (wavelength) of the light passing through it. The most common optical glass, Borosilicate BK7, is characterized at waveleng…

1. The refractive index of a transparent material can be determined by measuring

1. The refractive index of a transparent material can be determined by measuring the critical angle when the solid is in air. If c= 41.6° what is the index of refraction of the ma…

1. The refractive index of a transparent material can be determined by measuring

1. The refractive index of a transparent material can be determined by measuring the critical angle when the solid is in air. If ?c= 41.5° what is the index of refraction of the m…

1. The resistance of a flashlight bulb is 240 . What is the current in the bulb

1. The resistance of a flashlight bulb is 240 . What is the current in the bulb when used with a 6.0 V battery? 2. What is the current in question #1 expressed as mA? 3. What is t…

1. The rest energy of an electron is 0.511 MeV. The rest energy of a proton is 9

1. The rest energy of an electron is 0.511 MeV. The rest energy of a proton is 938 MeV. Assume both particles have kinetic energies of 2.00 MeV. (a) Find the speed of the electron…

1. The rest energy of an electron is 0.511 MeV. The rest energy of a proton is 9

1. The rest energy of an electron is 0.511 MeV. The rest energy of a proton is 938 MeV. Assume both particles have kinetic energies of 2.00 MeV. (a) Find the speed of the electron…

1. The rule for the force between two permanent magnets is: 2. Describe how the

1. The rule for the force between two permanent magnets is: 2. Describe how the magnitude of the magnetic field is represented by magnetic field lines. 3. In the right hand rule f…

1. The scientific method is a body of techniques for investigating phenomena, ac

1. The scientific method is a body of techniques for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge. Which of the statements be…

1. The scientific method is a precisely defined set of steps that must be follow

1. The scientific method is a precisely defined set of steps that must be followed linearly in order for a conclusion to be considered "scientific." T F 2. Mass is the amount of a…

1. The scientific method is a precisely defined set of steps that must be follow

1. The scientific method is a precisely defined set of steps that must be followed linearly in order for a conclusion to be considered "scientific." T F 2. Mass is the amount of a…

1. The set up will __________ external interrupt _____ to generate interrupt on

1. The set up will __________ external interrupt _____ to generate interrupt on _______________. 2. What is the content of D7 (I) of the SREG register upon reset, and what does it…

1. The shock wave off the cockpit of the FA 18 in the figure has an angle of abo

1. The shock wave off the cockpit of the FA 18 in the figure has an angle of about 55.0°. The airplane was traveling at about 1380 km/h when the photograph was taken. Approximatel…

1. The short term stability of an embankment constructed with clay can be determ

1. The short term stability of an embankment constructed with clay can be determined using the shear strength parameters derived from: a. Conducting consolidated drained (CD) dire…

1. The signal is 5 sin (2 pi 2000 t + 60 degrees). The amplitude of this signal

1. The signal is 5 sin (2 pi 2000 t + 60 degrees). The amplitude of this signal is {5VPP, 3.535VPP, 3.535 VRMS, 3.535 VPK} 2. The signal is 1 sin (2 pi 500 t - 45 degrees). The fr…

1. The slow cooling of a hypereutectoid steel from the y-austenite region will p

1. The slow cooling of a hypereutectoid steel from the y-austenite region will produce a mircrostructure of? a. Pearlite b. Pearlite and Proeutectoid a-ferrite c. Laminated eutect…

1. The space between the stars is known to contain A. A large quantity of dust b

1. The space between the stars is known to contain A. A large quantity of dust but no gas at all B. A variable amount of gas but no dust at all C. A perfect vacuum D. Both gas (at…

1. The speed of a bullet is measured to be 640 m/s as the bullet emerges from a

1. The speed of a bullet is measured to be 640 m/s as the bullet emerges from a barrel of length 1.20m. Assuming the intial speed of the bullet is zero and a constant positive acc…

1. The speed of a bullet is measured to be 640 m/s as the bullet emerges from a

1. The speed of a bullet is measured to be 640 m/s as the bullet emerges from a barrel of length 1.20 m Assuming the initial speed of the bullet is zero and a constant that the bu…

1. The speed of a bullet is measured to be 640 m/s as the bullet emerges from a

1. The speed of a bullet is measured to be 640 m/s as the bullet emerges from a barrel of length 1.20 m Assuming the initial speed of the bullet is zero and a constant that the bu…

1. The speed of a sound wave is determined by: its pitch itsamplitude number ofh

1. The speed of a sound wave is determined by: its pitch itsamplitude number ofharmonics present itsintensity the transmittingmedium 2. If is the wavelength of each of the compone…

1. The speed of light in a certain substance is 88% of its value in water. What

1. The speed of light in a certain substance is 88% of its value in water. What is the index of refraction of that substance? 2. A glass surface (n = 1.50) has a layer of water (n…

1. The speed of light in a particular type of glass is 1.39 108 m/s. What is the

1. The speed of light in a particular type of glass is 1.39 108 m/s. What is the index of refraction of the glass? 2. An object is placed 28 cm from a convex spherical mirror with…

1. The speed of light in a particular type of glass is 1.39 108 m/s. What is the

1. The speed of light in a particular type of glass is 1.39 108 m/s. What is the index of refraction of the glass? 2. An object is placed 28 cm from a convex spherical mirror with…

1. The spheres are connected by a conducting wire. Find the electrostatic force

1. The spheres are connected by a conducting wire. Find the electrostatic force between the two after equilibrium is reached, where both spheres have the same charge. what is the …

1. The spring has 3.25 J of elastic potential energy when it is compressed dista

1. The spring has 3.25 J of elastic potential energy when it is compressed distance x. Determine the distance x. 2. Determine the velocity of Block A on the table when it leaves c…

1. The square loop of wire of the following figure rotates around the Y-axis by

1. The square loop of wire of the following figure rotates around the Y-axis by an angle of 90° in a counter-clockwise direction from the position shown. The induced current in th…

1. The starship \"Exercise\" is in a circular orbit of radius ro about a star, a

1. The starship "Exercise" is in a circular orbit of radius ro about a star, as depicted in 1 Captain Leeway fires the rocket thruster briefly so as to give the ship an instan tan…

1. The study of energy and its transformations is called 2. When the subject for

1.     The study of  energy and its transformations is called 2.   When the subject for analysis is a fixed quantity of matter it is referred to as a 100% . : Search in Document f…

1. The sum of vectors A and B is A + B = C , where vector C has non-zero magnitu

1. The sum of vectors A and B is A + B = C, where vector C has non-zero magnitude. Which of the following relationships between magnitudes is not possible. Drawing a diagram may h…

1. The sum of vectors A and B is A + B = C , where vector C has non-zero magnitu

1. The sum of vectors A and B is A + B = C, where vector C has non-zero magnitude. Which of the following relationships between magnitudes is not possible. Drawing a diagram may h…

1. The sun currently has a mass of 1.99 × 10 30 kg, a radius of 6.96 × 10 8 m, a

1. The sun currently has a mass of 1.99 × 1030 kg, a radius of 6.96 × 108 m, and rotates about once every 30 days. In a little over 5 billion years, our sun will collapse to a whi…

1. The sun produces energy by A. Fusiorn B. Gravitational contraction C. Fission

1. The sun produces energy by A. Fusiorn B. Gravitational contraction C. Fission D. Neutrinos E. The gravitational pull of the moon 2. Which atom has the most number of neutrons? …

1. The supermarket tabloids report that a (rather clumsy) person fell 137 ft fro

1. The supermarket tabloids report that a (rather clumsy) person fell 137 ft from a tall building to the top of a metal ventilator box. The metal ventilator box was crushed 18.7 i…

1. The supermarket tabloids report that a (rather clumsy) person fell 137 ft fro

1. The supermarket tabloids report that a (rather clumsy) person fell 137 ft from a tall building to the top of a metal ventilator box. The metal ventilator box was crushed 18.7 i…

1. The swing angle of the pendulum is \"small\" when the period following from t

1. The swing angle of the pendulum is "small" when the period following from the full analysis (Eq.(2) in the text) differs from the period obtained using the truncated formula, E…

1. The switch has been open for a long time when at time t = 0, the switch is cl

1. The switch has been open for a long time when at time t = 0, the switch is closed. What is I4(0), the magnitude of the current through the resistor R4 just after the switch is …

1. The switch in the figure has been open for a long time. It is closed at t = 0

1. The switch in the figure has been open for a long time. It is closed at t = 0 s. a. What is the current through the 20? resistor immediately after the switch is closed? Express…

1. The temperature of a quantity of gas is initially at 0 0 C. If the temperatur

1.     The temperature of a quantity of gas is initially at 0 0C. If the temperature is increased to 100 0C, by what factor must the pressure increase to keep the volume constant?…

1. The thermal radiation from a sphere of radius 10 cm is 150 Watts at a tempera

1. The thermal radiation from a sphere of radius 10 cm is 150 Watts at a temperature of 20 °C. What will be the thermal radiation of the sphere if the temperature is raised to 100…

1. The thin glass shell shown in the figure (Figure 1) has a spherical shape wit

1. The thin glass shell shown in the figure (Figure 1) has a spherical shape with a radius of curvature of 12.5cm , and both of its surfaces can act as mirrors. A seed 3.30mm high…

1. The third law of Thermodynamics states that there will be less entropy when s

1. The third law of Thermodynamics states that there will be less entropy when something gets: A. excited B. colder C. older D. stale 2. Thermodynamics A. Heat + Time B. Speed and…

1. The third picture is the solution of this problem. But I just don\'t get it w

1. The third picture is the solution of this problem. But I just don't get it why the field current should be 3.5A. 13.8kV of terminal voltage means (13.8kv/?3) phase voltage(cuz …

1. The three directions you can “turn” in a plane are also known in along the x,

1. The three directions you can “turn” in a plane are also known in along the x,y, and z. a) What is the three motions referred to when flying an aircraft? b) How does that relate…

1. The time needed for a wave to make one complete cycle is called the wave\'s a

1. The time needed for a wave to make one complete cycle is called the wave's a. frequency b. period c. wavelength d. velocity e. amplitude 2. A skipper on a boat notices wave cre…