Engineering analysis

1 The speed of a nerve impulse in the human body is about 100 m/s. If you accide

1 The speed of a nerve impulse in the human body is about 100 m/s. If you accidentally stub you toe in the dark, estimate the time it takes the nerve impulse to travel to your bra…

1 The transformer is connected up as shown. The line to line voltage on the outp

1 The transformer is connected up as shown. The line to line voltage on the output is 192V. How should the transformer be wired to result in a 208 line voltage from the secondary?…

1 Theground observer measures the light speed to be c . Thedriver measures the l

1 Theground observer measures the light speed to bec. Thedriver measures the light's speed to be slightly less thanc. Theground observer measures the light speed to be c +v. Thedr…

1 Three charges of equal magnitude q reside at the corners of an equilateral tri

1 Three charges of equal magnitude q reside at the corners of an equilateral triangle ofside length a Two of the charges are negative, and the other is positive, as shown in Figur…

1 Three children, Arcelia, Ela, and dhuck, are playing on a merry go-round. Thei

1 Three children, Arcelia, Ela, and dhuck, are playing on a merry go-round. Their positions on the merry go-round are shown in the top-view picture at right. The merry-go round is…

1 To keep the canned food from freezing in a storage cellar, a farmer places a t

1 To keep the canned food from freezing in a storage cellar, a farmer places a tub of water in the cellar. Explain. 2 Why is it safe to stick your tongue on a wooden pole on a col…

1 Train A freight train pulls 100 freight cars, each with a mass of 100,000 kg,

1 Train A freight train pulls 100 freight cars, each with a mass of 100,000 kg, along straight tracks over level ground. The couplings between cars are jointed rods of negligible …

1 Transverse waves on a string have wave speed 38.0 m/s and wavelength 0.300 m.

1 Transverse waves on a string have wave speed 38.0 m/s and wavelength 0.300 m. What is the                            frequency of these waves?                                   …

1 True or False - Indicate whether you believe the statement is true or false T

1 True or False - Indicate whether you believe the statement is true or false T F A particle is an idealization of a "point mass" while a rigid body is ideally "strong." T F A sta…

1 True/False (12 points) Circle T if the statement is always true. Otherwise cir

1 True/False (12 points) Circle T if the statement is always true. Otherwise circle F for false. 2 points each T F The wavefunction describing a many-body quantum system that is a…

1 Two like charges: a Attract each other b Repel each other c Must be neutrons d

1 Two like charges: a Attract each other b Repel each other c Must be neutrons d Neutralize each other 2 When a plastic rod is rubbed with fur, the rod will become negatively char…

1 Two lumberjacks, Sven and Buttercup like nothing better than to cover themselv

1 Two lumberjacks, Sven and Buttercup like nothing better than to cover themselves in Velcro and run at top speed toward one another, colliding in the forest. If Sven has a mass o…

1 Two very long, straight, parallel wires carrying currents in opposite directio

1 Two very long, straight, parallel wires carrying currents in opposite directions are 0.02m apart. If the current in first wire is 6A and the current in second wire is 8A what is…

1 U-235 Fission Cross Section When a low energy neutron scatters off a U-235 nuc

1 U-235 Fission Cross Section When a low energy neutron scatters off a U-235 nucleus it experiences some complex potential, V. The imaginary part of the potential can be described…

1 Use the graph below to answer the following questions. The graph is of the pos

1 Use the graph below to answer the following questions. The graph is of the position of a cart connected to two springs with friction involved Distance vs. Time of a cart on a sp…

1 WARM-UP QUESTIONS Homework 14 You must show all work to receive credit. Write

1 WARM-UP QUESTIONS Homework 14 You must show all work to receive credit. Write in a clear and organized manner; unclear work will net receive credit. 1 Warm-up Questions Anita is…

1 Warm-up Questions a) A plane is flying 42.0° west of north at a speed of 525 k

1 Warm-up Questions a) A plane is flying 42.0° west of north at a speed of 525 kph. What is the the plane's velocity ö in terms of components (using the usual geographical coordin…

1 What is the source of all waves? 2 A water wave vibrates up and down four time

1 What is the source of all waves? 2 A water wave vibrates up and down four times each second, the distance between two successive crests is 5 meters, and the height from the lowe…

1 When a race car is traveling at a constant speed on a circular track, their an

1 When a race car is traveling at a constant speed on a circular track, their angular (A) constant (B) increasing (C) decreasing (D) zero (E) unkown 2 Three brothers are rolling a…

1 When implementing new information systems, _ _ _ _ _ _ might have resistance t

1 When implementing new information systems, _ _ _ _ _ _ might have resistance to change. 2 Virtual storefronts could use _ _ _ systems to improve relationship with customers and …

1 When you speak. your vocal cords emit a range of frequencies as they vibrate.

1 When you speak. your vocal cords emit a range of frequencies as they vibrate. The sounds that are amplified are the natural resonances of your vocal tract. Although the vocal tr…

1 Which has the greater density, a lake full of water or a cup full of lake wate

1 Which has the greater density, a lake full of water or a cup full of lake water? a The water in the cup b The water in the lake c Both have the same density 2 The largest extrem…

1 Which of the following is true for a generator? a It transforms thermal energy

1 Which of the following is true for a generator? a It transforms thermal energy to electrical energy. b It transforms mechanical energy into electrical energy. c It transforms el…

1 Which one of the following statement is correct O When ice melts, its volume i

1 Which one of the following statement is correct O When ice melts, its volume increases O Increase in pressure, decreases the boiling point of water O Decrease in pressure over i…

1 Why is it cooler to wear a white shirt than a black shirt on a hot, sunny day?

1 Why is it cooler to wear a white shirt than a black shirt on a hot, sunny day? 2 On a hot day in your hot kitchen, you decide to work with the refrigerator door open in an attem…

1 a hulla hoop is rotted along a horizontal surface distance of 25ft. with an an

1 a hulla hoop is rotted along a horizontal surface distance of 25ft. with an angular speed of 3.15 rev/sec cncounters an incline of 12dgree .neglecting any friction effects, if t…

1 a secondpoint charge is placed just outside the sphere thesphere is replaced b

1 a secondpoint charge is placed just outside the sphere thesphere is replaced by a cube of one-tenth the volume thepoint charge is moved to just outside the sphere thesphere is r…

1 a) A standing wave of frequency 5 hertz is set up on a string 2 meters long wi

1 a) A standing wave of frequency 5 hertz is set up on a string 2 meters long with nodes at both ends and in the center. Find the speed at which waves propagate on the string. 1. …

1 a) A three span continuous beam has spans of 27, 30, and 27 feet. The beams su

1 a) A three span continuous beam has spans of 27, 30, and 27 feet. The beams support one-way slabs, 6 inches thick that span 20 feet center to center. Assume that the beams are 1…

1 a) A three span continuous beam has spans of 27, 30, and 27 feet. The beams su

1 a) A three span continuous beam has spans of 27, 30, and 27 feet. The beams support one-way slabs, 6 inches thick that span 20 feet center to center. Assume that the beams are 1…

1 a) A three span continuous beam has spans of 27, 30, and 27 feet. The beams su

1 a) A three span continuous beam has spans of 27, 30, and 27 feet. The beams support one-way slabs, 6 inches thick that span 20 feet center to center. Assume that the beams are 1…

1 a) AM radio signals are broadcast at frequenciesbetween550kHz and 1600 kHz and

1 a) AM radio signals are broadcast at frequenciesbetween550kHz and 1600 kHz and travel 2.99792 X 108 m/s.Whatisthe shortest AM wavelength? Answer in units of m. b) What is the lo…

1 a) The frequency of a tuning fork can be found by the method shown. A long tub

1 a) The frequency of a tuning fork can be found by the method shown. A long tube open at both ends is submerged in a beaker of water, and the vibrating tuning fork is placed near…

1 a) When using T = 1/2Iw^2 + 1/2mvG^2 for kinetic energy of a planar rigid body

1 a) When using T = 1/2Iw^2 + 1/2mvG^2 for kinetic energy of a planar rigid body, what point must the mass moment of inertia, I, be found about? a. A fixed point of rotation The c…

1 a)what is the wave length of a 100 MHz (fm 100) radio signal? b) imagine that

1 a)what is the wave length of a 100 MHz (fm 100) radio signal? b) imagine that you are observing a spacecraft moving in a circular orbit of a radius of 500000 km around a distant…

1 a.)A 1.3-kg ball is hanging from the end of a rope. The rope hangs at an angle

1 a.)A 1.3-kg ball is hanging from the end of a rope. The rope hangs at an angle 21° from the vertical when a 12 m/s horizontal wind is blowing. If the wind's force on the rope is…

1 a.)A 1.3-kg ball is hanging from the end of a rope. The rope hangs at an angle

1 a.)A 1.3-kg ball is hanging from the end of a rope. The rope hangs at an angle 21° from the vertical when a 12 m/s horizontal wind is blowing. If the wind's force on the rope is…

1 a.)A box is sliding down an incline tilted at a 14° angle above horizontal. Th

1 a.)A box is sliding down an incline tilted at a 14° angle above horizontal. The box is initially sliding down the incline at a speed of 1.5 m/s. The coefficient of kinetic frict…

1 a.)A box is sliding down an incline tilted at a 14° angle above horizontal. Th

1 a.)A box is sliding down an incline tilted at a 14° angle above horizontal. The box is initially sliding down the incline at a speed of 1.5 m/s. The coefficient of kinetic frict…

1 a.Given three vectors with the magnitude A=4.0m, B=5.0m,C=6.0m and dierction A

1 a.Given three vectors with the magnitude A=4.0m, B=5.0m,C=6.0m and dierction A=30degrees,B=90 degrees,C=225degrees, find the vector sum D=A+B+C analytically and graphically.Comp…

1 am taily confident that the report is free from grammatical erros a I am abool

1 am taily confident that the report is free from grammatical erros a I am aboolutely confident that the roport is ree from grammatical ens QUESTION 4 Check all that apply about c…

1 and 2 please The first question says \'is given by\' ... harmonic motion is gi

1 and 2 please The first question says 'is given by' ... harmonic motion is given 1. The position of a 0.64-kg mass undergoing simple x -(0.160 m) cos (16rt). What is its frequenc…

1 angstrom = 10 -10 m and 1 fermi = 10-5 m, what is the relationship between the

1 angstrom = 10 -10 m and 1 fermi = 10-5 m, what is the relationship between these units? 1 angstrom = 10 5 fermi 1 angstrom = 10 -5 fermi 1 angstrom = 10 -25 fermi 1 angstrom = 1…

1 at the initial position of motionat the highest point in thetrajectory at the

1 at the initial position of motionat the highest point in thetrajectory     at the final positionof motion velocity and acceleration are neverperpendicular 1 at the initial posit…

1 i)Young’s modulus is the ratio of: A. tensile (or compressive) stress to the l

1 i)Young’s modulus is the ratio of: A. tensile (or compressive) stress to the longitudinal strain B. shear stress to the longitudinal strain C. longitudinal strain to the tensile…

1 in = 2.54 cm, 1 ft = 12 in, 1 yd = 3 ft, 1 mi = 5280 ft, and 1.00 cal = 4.186

1 in = 2.54 cm, 1 ft = 12 in, 1 yd = 3 ft, 1 mi = 5280 ft, and 1.00 cal = 4.186 J. The specific heat of water is 4.186 times 10^3 J/(kg-K), atmospheric pressure is 1.013 times 10^…

1 is NOT C or D 2 is NOT A or B 3 is NOT D or B 4 is NOT A or C (a) A clear imag

1 is NOT C or D 2 is NOT A or B 3 is NOT D or B 4 is NOT A or C (a) A clear image of an object is formed on the film of a camera. As the object moves farther away from the camera,…

1 is NOT C or D 2 is NOT A or B 3 is NOT D or B 4 is NOT A or C (a) A clear imag

1 is NOT C or D 2 is NOT A or B 3 is NOT D or B 4 is NOT A or C (a) A clear image of an object is formed on the film of a camera. As the object moves farther away from the camera,…

1 k mol of N2 gas (ideal) is contained in a piston initially at 300K with a volu

1 k mol of N2 gas (ideal) is contained in a piston initially at 300K with a volume of 0.1 m^3. the piston cylinder is well insulated. a microwave gum then heats the gas fro 30 sec…

1 kg of air (ideal gas) undergoes a thermodynamic cycle in a piston-cylinder arr

1 kg of air (ideal gas) undergoes a thermodynamic cycle in a piston-cylinder arrangement. Process 1-2 is an adiabatic expansion (PV^1.4 = constant) in which the volumes doubles. P…