Engineering analysis
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1) A jet engine emits sound uniformly in all directions, radiating an acoustic p
1) A jet engine emits sound uniformly in all directions, radiating an acoustic power of 3.79 × 105 W. Find the intensity of the sound at a distance of 42.5 m from the engine and c…
1) A jewel thief steals an Easter Egg made of gold withornate design in diamonds
1) A jewel thief steals an Easter Egg made of gold withornate design in diamonds, emeralds and rubies, from an exhibit onthe third floor of a multistory building. Alarm is set off…
1) A ladder of mass m and length L leans against a frictionless wall and makes a
1) A ladder of mass m and length L leans against a frictionless wall and makes an angle of 45 degrees with it. Determine the minimum coefficient of static friction with the floor …
1) A lamp emits light of frequency 5 c 10^15 HZ at a power of 25 W. The number o
1) A lamp emits light of frequency 5 c 10^15 HZ at a power of 25 W. The number of photons given off per second is a) 1.3 x 10^15 b.)8.3 * 10^17 c) 7.6*10^18 d) 1.7*1…
1) A large brass washer has a 2-cm inside diameter, a 5-cm outside diameter, and
1) A large brass washer has a 2-cm inside diameter, a 5-cm outside diameter, and is 0.5 cm thick. Its conductivity is s = 1.5 × 107 S/m. The washer is cut in half along a diameter…
1) A large brass washer has a 2-cm inside diameter, a 5-cm outside diameter, and
1) A large brass washer has a 2-cm inside diameter, a 5-cm outside diameter, and is 0.5 cm thick. Its conductivity is s = 1.5 × 107 S/m. The washer is cut in half along a diameter…
1) A large capacitance of 1.01 mF is needed for a certain application. (a) Calcu
1) A large capacitance of 1.01 mF is needed for a certain application. (a) Calculate the area the parallel plates of such a capacitor must have if they are separated by 4.11 µm of…
1) A large muscle used for gross movements will have more muscle fibers per than
1) A large muscle used for gross movements will have more muscle fibers per than a small muscle used for fine movements. 2) Passive structural proteins maintain the ______________…
1) A large punch bowl holds 3.10 kg of lemonade (which is essentially water) at
1) A large punch bowl holds 3.10 kg of lemonade (which is essentially water) at 21.0 degs C. A 6.00×10-2 kg ice cube at -13.0 degs C is placed in the lemonade. What is the final t…
1) A large water tank has many corks bobbing on its surface. A simple wave propa
1) A large water tank has many corks bobbing on its surface. A simple wave propagates from one end of the tank to the other. It is observed that the corks bob on the water with a …
1) A lid is put on a box that is 17 cm long, 11 cm wide, and 8.0 cm tall and the
1) A lid is put on a box that is 17 cm long, 11 cm wide, and 8.0 cm tall and the box is then evacuated until its inner pressure is 8.9 104 Pa. (a) How much force is required to li…
1) A light plane is trying to fly north along the eastern coast. The plane has a
1) A light plane is trying to fly north along the eastern coast. The plane has a speed of 130.0mph relative to still air. After 2.00 hours, the pilot noticess his position is 225.…
1) A light ray propagates in a material with index of refraction 1.13, strikes a
1) A light ray propagates in a material with index of refraction 1.13, strikes an interface, and passes into a material whose index of refraction is 1.31. The angle of incidence a…
1) A lighted candle is placed 36?cm in front of a converging lens of focal lengt
1) A lighted candle is placed 36?cm in front of a converging lens of focal length 13cm , which in turn is 56?cm in front of another converging lens of focal length17cm Part A Calc…
1) A lighted candle is placed 38.0 cm in front of a diverging lens. The light pa
1) A lighted candle is placed 38.0 cm in front of a diverging lens. The light passes through the diverging lens and on to a converging lens of focal length 12.0 cm that is 9.0 cm …
1) A little sled weighs 2 Newtons. It is set in motion over a frictionless icy s
1) A little sled weighs 2 Newtons. It is set in motion over a frictionless icy surface by a toy rocket motor with a weight of 1 Newton. After the fuel has been expended, the sled …
1) A loudspeaker produces a sound level (loudness) of 40 dB at some distance. Wh
1) A loudspeaker produces a sound level (loudness) of 40 dB at some distance. What would be the new sounds level (loudness) produced by 20 identical speakers at the same dstance? …
1) A machinist turns the power on to a grinding wheel, at rest, at time t=0s. Th
1) A machinist turns the power on to a grinding wheel, at rest, at time t=0s. The wheel accelerates uniformly for 10s and reaches the operating angular velocity of 96 rev/s. The w…
1) A magnetic B field with strength 1.8 T passes through a metal square loop mea
1) A magnetic B field with strength 1.8 T passes through a metal square loop measuring 0.6 m on its side. If the B field is parallel to the loop's normal, then find the magnitude …
1) A magnetic dipole wants to A) align with the magnetic field B) be perpendicul
1) A magnetic dipole wants to A) align with the magnetic field B) be perpendicular to the electric field C) align with the electric field D) lie opposite the magnetic field E) lie…
1) A magnetic dipole wants to A) align with the magnetic field B) be perpendicul
1) A magnetic dipole wants to A) align with the magnetic field B) be perpendicular to the electric field C) align with the electric field D) lie opposite the magnetic field E) lie…
1) A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.855 m/s encount
1) A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.855 m/s encounters a rough horizontal surface of length scripted l = 0.65 m as in the figure below. If the coeffic…
1) A mass is connected to the end of a spring and undergoes simple harmonic osci
1) A mass is connected to the end of a spring and undergoes simple harmonic oscillation. The graph provided shows the position of the mass as measured from the floor as a function…
1) A mass m = 4.5 kg hangs on the end of a massless rope L = 2.01 m long. The pe
1) A mass m = 4.5 kg hangs on the end of a massless rope L = 2.01 m long. The pendulum is held horizontal and released from rest. How fast is the mass moving at the bottom of its …
1) A mass m = 72 kg slides on a frictionless track that has a drop, followed by
1) A mass m = 72 kg slides on a frictionless track that has a drop, followed by a loop-the-loop with radius R = 17.7 m and finally a flat straight section at the same height as th…
1) A mass of 1.0 kg is being lowered (directly downward) by a string at the rate
1) A mass of 1.0 kg is being lowered (directly downward) by a string at the rate of 1.0 m/s2 such that the string is speeding up. Calculate the tension in the string. A. 8.8 N B. …
1) A mass of 1.50 kg is attached to a spring and the system is undergoing simple
1) A mass of 1.50 kg is attached to a spring and the system is undergoing simple harmonic oscillations with a frequency of 3.55 Hz and an amplitude of 10.0 cm. What is the speed o…
1) A massless rod of length 1.00 m has a 6.00-kg mass attached to one end and a
1) A massless rod of length 1.00 m has a 6.00-kg mass attached to one end and a 12.0-kg mass attached to the other. The system rotates about a fixed axis perpendicular to the rod …
1) A mechanic is fixing an old car. He struggles to remove on of the large screw
1) A mechanic is fixing an old car. He struggles to remove on of the large screws. To remove the screw he must apply a larger torque. Assuming that he has a full set of hand tools…
1) A metal has a work function of 1.95 ev. a) If light of wavelength 5.2 x 10^-7
1) A metal has a work function of 1.95 ev. a) If light of wavelength 5.2 x 10^-7 m is incident on its surface, will electrons be ejected through the photoelectric effect? Explain …
1) A microscope has a 9.0 eyepiece and a 63.0 objective 20.0 cm apart. (a) Calcu
1) A microscope has a 9.0 eyepiece and a 63.0 objective 20.0 cm apart. (a) Calculate the total magnification. 567 Correct (b) Calculate the focal length of each lens. :. eyepiece …
1) A microscope has a 9.0 eyepiece and a 63.0 objective 20.0 cm apart. (a) Calcu
1) A microscope has a 9.0 eyepiece and a 63.0 objective 20.0 cm apart. (a) Calculate the total magnification. 567 Correct (b) Calculate the focal length of each lens. :. eyepiece …
1) A mirror with a focal length 20 cm has a 4.0 cm tall object placed 100 cm in
1) A mirror with a focal length 20 cm has a 4.0 cm tall object placed 100 cm in front of it. What is the position of the image? A) 20 cm in front of the mirro…
1) A mixing tank initially contains 4500 kg of liquid water. The tank is fitted
1) A mixing tank initially contains 4500 kg of liquid water. The tank is fitted with two inlet pipes: one delivering hot water at a volumetric flow rate of 1.5x10-3 m3/s and one d…
1) A model airplane with a mass of 0.758 kg is tethered by a wire so that it fli
1) A model airplane with a mass of 0.758 kg is tethered by a wire so that it flies in a circle 30.5 m in radius. The airplane engine provides a net thrust of 0.801 N perpendicular…
1) A model rocket is fired vertically from rest. It has a net acceleration of 19
1) A model rocket is fired vertically from rest. It has a net acceleration of 19.0 m/s2. After 1.6 s, its fuel is exhausted and its only acceleration is that due to gravity. 2) A …
1) A model rocket is launched vertically from rest. The net acceleration is 17.5
1) A model rocket is launched vertically from rest. The net acceleration is 17.5 m/s^2. After 1.5s, it runs out of fuel and its only acceleration is that of gravity. a) ignoring a…
1) A mol of an ideal monoatomic gas is placed in a container with a massless fri
1) A mol of an ideal monoatomic gas is placed in a container with a massless frictionless piston that keeps the pressure at 1 atmosphere. The gas is heated at a rate of 600 watt s…
1) A molecule of DNA (deoxyribonucleic acid) is 2.15 µm long. The ends of the mo
1) A molecule of DNA (deoxyribonucleic acid) is 2.15 µm long. The ends of the molecule becomesingly ionized -- negative on one end, positive on the other. Thehelical molecule acts…
1) A motorist travels on ramp of radius 65 m with a speed of 25m/s. The combined
1) A motorist travels on ramp of radius 65 m with a speed of 25m/s. The combined mass of the car and motorist is 2650 kg. a) what is the motorist;s acceleration? b) what is the fo…
1) A multimeter in parallel with a resistor reads 282 mV. At the same time, anot
1) A multimeter in parallel with a resistor reads 282 mV. At the same time, another multimeter in series with the resistor reads 67.3 ?A. Calculate the resistance of the resistor.…
1) A multimeter in parallel with a resistor reads 282 mV. At the same time, anot
1) A multimeter in parallel with a resistor reads 282 mV. At the same time, another multimeter in series with the resistor reads 67.3 ?A. Calculate the resistance of the resistor.…
1) A net charge of 1C is spread uniformly throughout a solid insulating sphere o
1) A net charge of 1C is spread uniformly throughout a solid insulating sphere of radius 0.5m. Use Gauss’ law with a spherical surface to find the electric field magnitude at 0.25…
1) A novice golfer on the green takes three strokes to sink theball. The success
1) A novice golfer on the green takes three strokes to sink theball. The successive displacements are 7.2 m to the north, 6.6 mnortheast, and 5.6 m 45 degrees west of south. Start…
1) A pair of bumper cars in an amusement park ride collide elastically as one ap
1) A pair of bumper cars in an amusement park ride collide elastically as one approaches the other directly from the rear, as seen in part (a) of the figure below. One has a mass …
1) A parallel beam of light is sent through an aquarium (i.e.a rectangular box w
1) A parallel beam of light is sent through an aquarium (i.e.a rectangular box with glass sides, filled with water). A conves glass lens is held in water. Compared to thebehaviour…
1) A parallel plate capacitor has constant electric field and potential differen
1) A parallel plate capacitor has constant electric field and potential difference of 18.0V between the plates separated by a distance of 9.20mm. (a) What is the electric field be…
1) A parallel-plate capacitor is charged by a 8.00Vbattery, then the battery is
1) A parallel-plate capacitor is charged by a 8.00Vbattery, then the battery is removed. What is the potential difference between the plates after the battery is disconnected? Wha…
1) A parallel-plate capacitor, of area 5.70×10-2 m2, has the gap between the pla
1) A parallel-plate capacitor, of area 5.70×10-2 m2, has the gap between the plates filled by benzene, a dielectric. If a laboratory meter measures the capacitance to be 440 pF, w…
1) A parallel-plate capacitor, of area 5.70×10-2 m2, has the gap between the pla
1) A parallel-plate capacitor, of area 5.70×10-2 m2, has the gap between the plates filled by benzene, a dielectric. If a laboratory meter measures the capacitance to be 440 pF, w…
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