Engineering analysis
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a) Suppose a rod (length 97.6 m, mass24.8 kg) balances at a point 41.28 m from o
a) Suppose a rod (length 97.6 m, mass24.8 kg) balances at a point 41.28 m from one end. If you place a fulcrum in thecenter of the rod, what mass would you have to place on the ot…
a) Suppose you are at the earth\'s equator and observe a satellite passing direc
a) Suppose you are at the earth's equator and observe a satellite passing directly overhead and moving from west to east in the sky. Exactly 16.0 hours later, you again observe th…
a) Suppose you are at the earth\'s equator and observe a satellite passing direc
a) Suppose you are at the earth's equator and observe a satellite passing directly overhead and moving from west to east in the sky. Exactly 16.0 hours later, you again observe th…
a) Suppose you have a closed rigid container of air at 20 Celsius on the surface
a) Suppose you have a closed rigid container of air at 20 Celsius on the surface of the Earth. We increase the temperature of the container to 77, leaving it closed, and read a pr…
a) Suppose you have a closed rigid container of air at 20 Celsius on the surface
a) Suppose you have a closed rigid container of air at 20 Celsius on the surface of the Earth. We increase the temperature of the container to 77, leaving it closed, and read a pr…
a) Temperature difference in the body. The surface temperature of the body is no
a) Temperature difference in the body. The surface temperature of the body is normally about 7.00 C lower than the internal temperature. Express this temperature difference in kel…
a) Temperature difference in the body. The surface temperature of the body is no
a) Temperature difference in the body. The surface temperature of the body is normally about 7.00 C lower than the internal temperature. Express this temperature difference in kel…
a) The \"small signal input voltage range for a MOSFET amplifier, which will pro
a) The "small signal input voltage range for a MOSFET amplifier, which will produce linear output voltage, is determined by the thermal voltage(Vamat" kT/Q). TRUE FALSE b) There a…
a) The acceleration of gravity at the surface of an asteroid is measured as 7.3
a) The acceleration of gravity at the surface of an asteroid is measured as 7.3 x 10^-3 m/s^2. if the asteroid's radius is 10.0 km, what is its density? (assume the asteroid is sp…
a) The angular momentum vector of a system of particles about a fixed point is s
a) The angular momentum vector of a system of particles about a fixed point is simply the vector sum of all the angular momentum vectors of all the individual particles about the …
a) The answer for radius is 7cm. I need b. I used E=k(z)(q)/(z^2+R^2)^(3/2) and
a) The answer for radius is 7cm. I need b. I used E=k(z)(q)/(z^2+R^2)^(3/2) and isolated for q. The answer is supposed to be in nC. The electric field on the axis of a uniformly c…
a) The average lifetime of a pi meson in its own frame of reference (i.e, the pr
a) The average lifetime of a pi meson in its own frame of reference (i.e, the proper lifetime) is 2.60×10–8 s. If the meson moves with a speed of 0.980c, what is its mean lifetime…
a) The book slides from you to Beth and then from Beth to Carlos, along the line
a) The book slides from you to Beth and then from Beth to Carlos, along the lines connecting these people. What is the work done by friction during this displacement? b) You slide…
a) The charge starts large and decreases to zero over time; the bulb starts brig
a) The charge starts large and decreases to zero over time; the bulb starts bright and dims over time. b) The charge starts large and decreases to zero over time; the bulb starts …
a) The circuit above is a combination of instrumentation amplifiers with cascade
a) The circuit above is a combination of instrumentation amplifiers with cascaded filters. Explain what the integrator does for this circuit b) I buitl the circuit above and meas…
a) The component of the external magnetic field along the central axis of a 50-t
a) The component of the external magnetic field along the central axis of a 50-turn coil of radius 5.1 cm decreases from 1.8 T to 0 T in 3.8 s. If the resistance of the coil is 2.…
a) The component of the external magnetic field along the central axis of a 50-t
a) The component of the external magnetic field along the central axis of a 50-turn coil of radius 5.1 cm decreases from 1.8 T to 0 T in 3.8 s. If the resistance of the coil is 2.…
a) The dimensions of a parallel-plate capacitor are allincreased by a factor of
a) The dimensions of a parallel-plate capacitor are allincreased by a factor of six. By whatfactor does the capacitance change? (The dimensions refer to thelength and width of a p…
a) The direction of the positive current through the battery V1 is depends on th
a) The direction of the positive current through the battery V1 is depends on the values of the voltages and resistors always runs from the positive terminal to the negative termi…
a) The distance to a star is approximately 9.50 1018 m. If this star were to bur
a) The distance to a star is approximately 9.50 1018 m. If this star were to burn out today, in how many years would we see it disappear? years (b) How long does it take for sunli…
a) The distance to a star is approximately 9.80 1018 m. If this star were to bur
a) The distance to a star is approximately 9.80 1018 m. If this star were to burn out today, in how many years would we see it disappear? years (b) How long does it take for sunli…
a) The distance to a star is approximately 9.80 1018 m. If this star were to bur
a) The distance to a star is approximately 9.80 1018 m. If this star were to burn out today, in how many years would we see it disappear? years (b) How long does it take for sunli…
a) The effective coefficient of kinetic friction is 0.360. Calculate the force e
a) The effective coefficient of kinetic friction is 0.360. Calculate the force exerted by the man. b) Calculate the work done by the man on the piano. c) Calculate the work done b…
a) The electric field at a distance of 2 mm from the center of a charged conduct
a) The electric field at a distance of 2 mm from the center of a charged conducting sphere of radius 1 mm is 480 N/C. What is the electric field at a distance of 6 mm from the cen…
a) The electric field at a distance of 2 mm from the center of a charged conduct
a) The electric field at a distance of 2 mm from the center of a charged conducting sphere of radius 1 mm is 480 N/C. What is the electric field at a distance of 6 mm from the cen…
a) The electric field flux through a spherical Gaussian surface of radius equal
a) The electric field flux through a spherical Gaussian surface of radius equal to 30 cm centered on the shell. b) The electric field flux through a spherical Gaussian surface of …
a) The electric filed is independent of the size of the disk b)The electric file
a) The electric filed is independent of the size of the disk b)The electric filed is dependent of the size of the disk c)The electric filed is independent of the distance, z from …
a) The empire state building is 450 meters high.A pennydropped from the top woul
a) The empire state building is 450 meters high.A pennydropped from the top would have what speed when it hits thesidewalk? b) A baseball player pops a flyball 20.0m straight up a…
a) The fastest possible rate of rotation of a planet is that for which the gravi
a) The fastest possible rate of rotation of a planet is that for which the gravitational force on material at the equator barely provides the centripetal force needed for the ro…
a) The figure shows the circuit diagram of an active filter using an ideal opera
a) The figure shows the circuit diagram of an active filter using an ideal operational amplifier. The values of the circuit components are as follows, R1 = 1500 ohms, R2 = 2000 oh…
a) The figure shows the circuit diagram of an oscillator using an ideal voltage
a) The figure shows the circuit diagram of an oscillator using an ideal voltage amplifier with amplification A. the values of the circuit components are, R1 = 580 ohms, R2 = 1000 …
a) The flue gas volume formed by combustion of 2,5 tons peat with a moisture con
a) The flue gas volume formed by combustion of 2,5 tons peat with a moisture content of 40% and excess air 30%. The flue gas temperature is 1600C and pressure 100kPa, abs. Assume …
a) The following loads are being fed from a 3-phase, 4.16kVsystem. Determine tot
a) The following loads are being fed from a 3-phase, 4.16kVsystem. Determine total line current, power factor, real, power,reactive power, and apparent power: 2 MVA @ 0.80 power f…
a) The graph shows the US Department of Labor noise regulation for working witho
a) The graph shows the US Department of Labor noise regulation for working without ear protection. A machinist is in an environment where the ambient sound level is of 85 dB, i.e.…
a) The graph shows the US Department of Labor noise regulation for working witho
a) The graph shows the US Department of Labor noise regulation for working without ear protection. A machinist is in an environment where the ambient sound level is of 85 dB, i.e.…
a) The graph shows the photon emission spectrum for a molecule, i.e., the intens
a) The graph shows the photon emission spectrum for a molecule, i.e., the intensity of the emitted light versus the wavelength.Which one of the following statements is true? - The…
a) The heated air inside a hot-air balloon weighs 5000 N. If the balloon support
a) The heated air inside a hot-air balloon weighs 5000 N. If the balloon supports a weight of 2000 N, what is the weight of the air displaced by the balloon? 2000 N 3000 N 5000 N …
a) The ideal analog differentiator is d x. t) (t) x. (t) is the input of the ide
a) The ideal analog differentiator is d x. t) (t) x. (t) is the input of the ideal analog differentiator of the signal J.(t) is the output of the ideal analog differentiator of th…
a) The index of refraction for flint glass can be calculated using n(A)= 1.670+7
a) The index of refraction for flint glass can be calculated using n(A)= 1.670+7430 nma2, where is measured in nanometers. If a ray of red light ared=650 nm) in air is incident on…
a) The key nding in Rutherford\'s alfa particle scattering experiments was: a) T
a) The key nding in Rutherford's alfa particle scattering experiments was: a) The incident alfa particles lost kinetic energy equal to the energy di erence between quan- tized Boh…
a) The light from the object goes through the lens and then is reflected by the
a) The light from the object goes through the lens and then is reflected by the mirror. What is the position of the image produced by the mirror? Your answer should be measured re…
a) The lines show the equipotential contours in the plane of three point charges
a) The lines show the equipotential contours in the plane of three point charges,Q1, Q2, and Q3. The values of the potentials are in kV as indicated for the +5, 0, and -5 kV conto…
a) The magnetic fieldinside a superconducting solenoid is 2.6 T. The solenoid ha
a) The magnetic fieldinside a superconducting solenoid is 2.6 T. The solenoid has aninner diameter of 8.72 cm and a length of 18.4 cm. The permeabilityof free space is 4 × 107 T ·…
a) The molecular weight of air may be taken as 28.6 g/mole. At the surface of th
a) The molecular weight of air may be taken as 28.6 g/mole. At the surface of the earth, with a temperature of 20° C, what volume of air will be occupied by one mole? You may then…
a) The nerve cell does not look like our usual parallel plate capacitor, it look
a) The nerve cell does not look like our usual parallel plate capacitor, it looks like a cylinder. But you can think of it as two parallel plates that have been rolled up. Below w…
a) The output voltage is filtered using a low pass filter. Write down the equati
a) The output voltage is filtered using a low pass filter. Write down the equation for the filtered output voltage. b) Write down the equation for the filtered output voltage c) W…
a) The ploarizing axis of a polarizing sheet makes an angle of 30 degree to the
a) The ploarizing axis of a polarizing sheet makes an angle of 30 degree to the electric field of a linearly polarized light. The polarized light has an intensity Io. The intensit…
a) The position r 3 on the rod where you would suspend a mass m 3 = 200 g in ord
a) The position r3 on the rod where you would suspend a mass m3 = 200 g in order to balance the rod and keep it horizontal if released from a horizontal position. In addition, for…
a) The potential energy stored in the compressed spring of a dart gun, with a sp
a) The potential energy stored in the compressed spring of a dart gun, with a spring constant of 43.50 N/m, is 0.700 J. Find by how much is the spring is compressed. b) A 0.070 kg…
a) The signal to noise ratio of a measured signal is quoted as 54dB. The rms noi
a) The signal to noise ratio of a measured signal is quoted as 54dB. The rms noise voltage is 0.3mV. Calculate the rms signal voltage [5] State a possible use in instrumentation f…
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