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Engineering analysis

218221 questions • Page 143 / 4365

1) The containers in the sketch contain water (density=996 kg/m 3 ) each filled
1) The containers in the sketch contain water (density=996 kg/m3) each filled to a depth of 2.5 m. The pressure at the free surface is 100 kPa. For both the containers, calculate …
1) The crank/coupler system is to be designed to drive the rocker as shown. If t
1) The crank/coupler system is to be designed to drive the rocker as shown. If the coupler is to have a length of 15'', determine the crank length and the location of the crank ce…
1) The current in a circuit changes from 24A to 0A in 3.0x10 -3 seconds. If the
1) The current in a circuit changes from 24A to 0A in 3.0x10-3seconds. If the average induced emf is 260V, what is the self-inductance of the circuit? How much energy was initiall…
1) The current in a series circuit containing a light bulb is 1.75 A and the pot
1)The current in a series circuit containing a light bulb is 1.75 A and the potential difference across the light bulb is 12.7 V. Use Ohm's Law to find the resistance of the light…
1) The cylinder represented below contains 3 kg of oxygen.(The molar mass of gas
1) The cylinder represented below contains 3 kg of oxygen.(The molar mass of gaseous oxygen is 32 g, and the oxygen is assumed to be an ideal gas.) If the volume 2 m3 of oxygen is…
1) The definition of _________ is: The skill and habit of thinking rationally an
1) The definition of _________ is: The skill and habit of thinking rationally and independently about ethical issues on the basis of genuine moral concern, and the ability to act …
1) The diameter of the aluminum cylinder is measured to be: (4.935 ±0.003)cm. Th
1) The diameter of the aluminum cylinder is measured to be: (4.935 ±0.003)cm. The hanging mass (paint bucket and 5kg) for a Mechanical Equivalent of Heat experiment is recorded as…
1) The diving board shown below has cross-section of 600 x 45 mm with E 10.3 GPa
1) The diving board shown below has cross-section of 600 x 45 mm with E 10.3 GPa Determine maximum bending stress and tip deflection when a 300 lb person is standing at the center…
1) The drawing shows a current-carrying wire lying along the x axis. The current
1) The drawing shows a current-carrying wire lying along the x axis. The current I is 3.0 A and flows to the right. The wire is 0.76 m long and situated in a uniform magnetic fiel…
1) The driving wheel of a bicycle is rotating at N = 195 revs per minute. If the
1) The driving wheel of a bicycle is rotating at N = 195 revs per minute. If there is no slippage between the wheel and the road, calculate the bicycle speed in km/h if the diamet…
1) The driving wheel of a bicycle is rotating at N = 206 revs per minute. If the
1) The driving wheel of a bicycle is rotating at N = 206 revs per minute. If there is no slippage between the wheel and the road, calculate the bicycle speed in km/h if the diamet…
1) The electric field intesity in a region of space is givin by: E=Xi+Yj+Zk wher
1) The electric field intesity in a region of space is givin by: E=Xi+Yj+Zk where X,Y,Z are real constants a) What should be the total flux through a sphere of radius "R" with its…
1) The electron gun in a TV picture tube accelerates electrons between two paral
1) The electron gun in a TV picture tube accelerates electrons between two parallel plates 1.20 cm apart with a 25.0 kV potential difference between them. The electrons enter thro…
1) The electrons in a dielectric are not free to move across the material becaus
1) The electrons in a dielectric are not free to move across the material because they’re stuck to the nuclei of their host molecules. However, the distribution of electrons aroun…
1) The energy from light impinging on a semiconductor predominately cause.......
1) The energy from light impinging on a semiconductor predominately cause............electron transition 2) The semiconductor 3C-SiC conduction band energy of Ec = 2.3eV and a val…
1) The energy stored in gasoline is approximately 3.50×10 4 kJ per litre; 25% of
1) The energy stored in gasoline is approximately 3.50×104 kJ per litre; 25% of this is converted into useful work by an automobile. When you drive on the highway at constant spee…
1) The equation of a transverse wave on a string is y = (2.0mm) sin[(20 m-1)x -
1) The equation of a transverse wave on a string is y = (2.0mm) sin[(20 m-1)x - (600 s-1)t] The tension in the string is 15 N. (a) What is the wave speed? (b) Find the linear dens…
1) The figure below shows a mobile consisting of four weights hanging on three r
1) The figure below shows a mobile consisting of four weights hanging on three rods of negligible mass, where w = 2 N and  x1= 4.9 cm. Find the value of each of the unknown weight…
1) The figure below shows a thin, uniform bar whose length is L and mass is M an
1) The figure below shows a thin, uniform bar whose length is L and mass is M and a compact hard sphere whose mass is m. The system is supported by a frictionless horizontal surfa…
1) The figure below shows the velocity of a simple harmonic oscillator as a func
1) The figure below shows the velocity of a simple harmonic oscillator as a function of time. (a) Estimate the period. s Estimate the magnitude of the maximum velocity. m/s Estima…
1) The figure on the right shows a cross section of a thick-walled copper pipe (
1) The figure on the right shows a cross section of a thick-walled copper pipe (inner radius a and outer radius b ) centered on the -axis and carrying a current density of magnitu…
1) The figure shows an interference pattern from two slits. If the slits are 0.1
1) The figure shows an interference pattern from two slits. If the slits are 0.17 mm apart and the observed picture is seen on a screen 4.66 m from the slits, find the wavelength …
1) The figure(Figure 1) shows the velocity graph of a 2.5 kg object as it moves
1) The figure(Figure 1) shows the velocity graph of a 2.5 kg object as it moves along the x-axis. What is the net force acting on this object at t= 1 s? 2)It takes the elevator in…
1) The figures below show two different situations where a current may be induce
1) The figures below show two different situations where a current may be induced in a loop according to Faraday's Law, with the direction given by Lenz' Law. The magnetic field i…
1) The flux through a loop of wire changes uniformly from + 47 Wb to -17 Wb in 1
1) The flux through a loop of wire changes uniformly from + 47 Wb to -17 Wb in 1.9 ms . a-What is the average induced emf in the loop? b-If you wanted to double the average induce…
1) The flux through a loop of wire changes uniformly from + 47 Wb to -17 Wb in 1
1) The flux through a loop of wire changes uniformly from + 47 Wb to -17 Wb in 1.9 ms . a-What is the average induced emf in the loop? b-If you wanted to double the average induce…
1) The flywheel of a steam engine begins to rotate from rest with a constant ang
1) The flywheel of a steam engine begins to rotate from rest with a constant angular acceleration of 1.23 rad/s2. It accelerates for 22.7 s, then maintains a constant angular velo…
1) The following circuit has Rse as the Mass airflow rate sensing element where
1) The following circuit has Rse as the Mass airflow rate sensing element where the bridge is balanced at the reference temperature of the sensor which is 100 Deg C The MAF sensor…
1) The force between two parallel wires carrying currents in the same direction
1) The force between two parallel wires carrying currents in the same direction is: a. repulsive b. zero c. attractive 2) The magnetic force between the two infinitely long curren…
1) The force of static friction between a car\'s tires and the road is what prov
1) The force of static friction between a car's tires and the road is what provides the centripetal force necessary to maintain a turn. A level curve has a radius of 43 meters. Un…
1) The force on a 3.00-kg object as a function of position is shown in the figur
1) The force on a 3.00-kg object as a function of position is shown in the figure. a) How much work is done by the force as the object moves from x = 0 m to x = 8.0 m? b) If the o…
1) The force you apply is not constant when you stretch the rubber band. At what
1) The force you apply is not constant when you stretch the rubber band. At what point in the stretch is the force the least? At what point is the force the greatest? a. The force…
1) The force you apply is not constant when you stretch the rubber band. At what
1) The force you apply is not constant when you stretch the rubber band. At what point in the stretch is the force the least? At what point is the force the greatest? a. The force…
1) The frame shown below consists of 2 elastic columns (h-3m, E-200GPa, l=50*106
1) The frame shown below consists of 2 elastic columns (h-3m, E-200GPa, l=50*106 mm) and a rigid horizontal beam. Mass of the structure is 20 tons (a) Calculate the natural vibrat…
1) The ground wire is removed first The charged rod is then withdrawn, leaving t
1) The ground wire is removed first The charged rod is then withdrawn, leaving the sphere with a positive charge. Would the sphere be left with a charge if the rod were removed fi…
1) The heat of fusion for gold at 1,063°C is 66.6 kJ/kg and the specific heat of
1) The heat of fusion for gold at 1,063°C is 66.6 kJ/kg and the specific heat of gold is 0.128 kJ/kg °C. What is the energy needed to melt 100 grams of gold starting at 0°C? A) 20…
1) The heat of vaporization of water at 100.0°C is 2,256 kJ/kg. What is the heat
1) The heat of vaporization of water at 100.0°C is 2,256 kJ/kg. What is the heat of vaporization of water in cal/gm? A) 365.3 B) 418.6 C) 497.2 D) 538.9 E) 684.1 2) A metal rod is…
1) The horizontal component of speed for a projectile fired horizontally from so
1) The horizontal component of speed for a projectile fired horizontally from some height a) decreases after t ime "t". [1 Point] b) increases c(remains constant) d) depends on la…
1) The hydrogen spectrum includes a red line at 656 nm and a blue-violet line at
1) The hydrogen spectrum includes a red line at 656 nm and a blue-violet line at 434 nm. What are the angular separations between these two spectral lines for all visible orders o…
1) The index of refraction for red light in water is 1.331 and that for blue lig
1) The index of refraction for red light in water is 1.331 and that for blue light is 1.340. A ray of white light enters the water at an angle of incidence of 50.6°. 2) A thief hi…
1) The index of refraction of a certain liquid is 2.4. What is the critical angl
1) The index of refraction of a certain liquid is 2.4. What is the critical angle for a light ray traveling in this liquid toward a flat layer of air above it? 2) In the figure, l…
1) The initial speed of a cannonball is 600 m/s. The accelerationof gravity is 9
1) The initial speed of a cannonball is 600 m/s. The accelerationof gravity is 9.8 m/s2 . The cannon and target are at the sameelevation. If the ball is to strike a target that is…
1) The isotope 191-Os-76 decays via the emission of both an electron and a gamma
1) The isotope 191-Os-76 decays via the emission of both an electron and a gamma particle. (It also emits a neutrino but we'll ignore that here.) Here is the mass of 191-Os and so…
1) The kinetic energy of a particle of mass m can be expressed as K 12m, where p
1) The kinetic energy of a particle of mass m can be expressed as K 12m, where p is the particle"s momentum. Given this relationship, how it is possible that an inelastic collisio…
1) The light bulb in the circuit shown below has a resistance of 43 and consumes
1) The light bulb in the circuit shown below has a resistance of 43 and consumes 6.8 W of power as the 1.25 m long rod moves to the left with a constant speed of 3.1 m/s. (a) Find…
1) The limit to the eye\'s acuity is actually related to diffraction by the pupi
1) The limit to the eye's acuity is actually related to diffraction by the pupil. What is the angle between two just-resolvable points of light for a 3.75 mm diameter pupil, assum…
1) The magentic flux through a closed surface surrounding only the south pole of
1) The magentic flux through a closed surface surrounding only the south pole of a bar magnet is ALWAYS greater than zero. 2) The magnetic flux through a fixed circular loop is ma…
1) The magentic force between the two infinitely long current-carrying parallel
1) The magentic force between the two infinitely long current-carrying parallel wires placed at distance d from each other is proportional to: A. 1/2d B. 1/d C. d^2 D. 1/the squar…
1) The masses of nuclei in a sample of uranium are determined using a mass spect
1)The masses of nuclei in a sample of uranium are determined using a mass spectrometer. Measurements suggest that some nuclei in the sample have higher the mass of others. Which o…
1) The masses of the neutrinos are still not precisely determined, but let us as
1) The masses of the neutrinos are still not precisely determined, but let us assume for the purpose of this problem that the mass of an electron neutrino is one millionth the mas…