Engineering analysis

1) Integrated circuits are manufactured in vacuum chambers in which the air pres

1) Integrated circuits are manufactured in vacuum chambers in which the air pressure is 6.00×1011mmofHg . Part A What is the number density? Assume T = 19.0 C. Part B What is the …

1) Is a single slit produces a first minimum at 13.3 degrees, at what angle is t

1) Is a single slit produces a first minimum at 13.3 degrees, at what angle is the second-order minimum? I got 27.3 degrees. it is correct. 2) What is the angle of the third order…

1) Is an individual more or less efficient when cylcing at the same power output

1) Is an individual more or less efficient when cylcing at the same power output outdoors on a mountain bike as compared to indoors on a stationary cycle? Why? 2) An individual pe…

1) Is it possible to make the right end of the rod push down by pulling on the l

1) Is it possible to make the right end of the rod push down by pulling on the left end of the rod? Show on the diagram the direction that you would pull on the left end of the ro…

1) Is it possible, knowing the velocities and masses of the objects after the co

1) Is it possible, knowing the velocities and masses of the objects after the collision to determine, uniquely, what the motion of the objects were prior to the collision? If not,…

1) It has been established that a person can perform continuous manual labor at

1) It has been established that a person can perform continuous manual labor at a power of 50 watts for an 8-hour working day. How many pounds of coal contain the energy equivalen…

1) It has been established that a person can perform continuous manual labor at

1) It has been established that a person can perform continuous manual labor at a power of 50 watts for an 8-hour working day. How many pounds of coal contain the energy equivalen…

1) It is friction that provides the force for a car to accelerate, so for high-p

1) It is friction that provides the force for a car to accelerate, so for high-performance cars the factor that limits acceleration isn't the engine; it's the tires. For typical r…

1) It is friction that provides the force for a car to accelerate, so for high-p

1) It is friction that provides the force for a car to accelerate, so for high-performance cars the factor that limits acceleration isn't the engine; it's the tires. For typical r…

1) It is known that a cubical object made of cast aluminum 0.256 m on a side con

1) It is known that a cubical object made of cast aluminum 0.256 m on a side contains a hollow cavity also in the shape of a cube but of unknown dimensions. If the mass of the obj…

1) It is known that a cubical object made of cast aluminum 0.256 m on a side con

1) It is known that a cubical object made of cast aluminum 0.256 m on a side contains a hollow cavity also in the shape of a cube but of unknown dimensions. If the mass of the obj…

1) It is observed that when a metal surface is illuminated by light of wavelengt

1) It is observed that when a metal surface is illuminated by light of wavelength ?, photoelectrons are emitted from the metal at a certain rate. (This rate of electron emission i…

1) It is observed that when a metal surface is illuminated by light of wavelengt

1) It is observed that when a metal surface is illuminated by light of wavelength ?, photoelectrons are emitted from the metal at a certain rate. (This rate of electron emission i…

1) It may seem strange that the selected velocity does not depend on either the

1) It may seem strange that the selected velocity does not depend on either the mass or the charge of the particle. (For example, would the velocity of a neutral particle be selec…

1) Jim rides his skateboard down a ramp that is in the shape of a quarter-circle

1) Jim rides his skateboard down a ramp that is in the shape of a quarter-circle with a radius of 6.00m. At the bottom of the ramp, Jim is moving at 8.00 m/s. Jim and his skateboa…

1) Julie has been hired to help paint the trim of a building, but she is not con

1) Julie has been hired to help paint the trim of a building, but she is not convinced of the safety of the apparatus. A 5.6 m plank is suspended horizontally from the top of the …

1) Jumper cables used to start a stalled vehicle oen carry a 70-A current. How s

1) Jumper cables used to start a stalled vehicle oen carry a 70-A current. How strong is the magnetic field 5.0 cm from one cable? Compare to the Earth’s magnetic field (5.0 × 105…

1) Jumper cables used to start a stalled vehicle oen carry a 70-A current. How s

1) Jumper cables used to start a stalled vehicle oen carry a 70-A current. How strong is the magnetic field 5.0 cm from one cable? Compare to the Earth’s magnetic field (5.0 × 105…

1) Kinetics is the study of the forces that produce motion 1) True 2) false 2) m

1) Kinetics is the study of the forces that produce motion 1) True 2) false 2) muscle contraction and subsequent muscle elongation is: 1) concentric 2) eccentric 3) isometric 4) n…

1) Lagrangian of the mechanical system is Derive all the Euler-Lagrange equation

1) Lagrangian of the mechanical system is Derive all the Euler-Lagrange equations (ELE) for this system. 2) Euler-Lagrange equation (ELE) is and the initial conditions are: q(0) 5…

1) Laser beam with wavelength 632.8 nm is aimed perpendicularly at opaque screen

1) Laser beam with wavelength 632.8 nm is aimed perpendicularly at opaque screen with two identical slits on it, positioned horizontally, and close enough to each other so that bo…

1) Laser beam with wavelength 632.8 nm is aimed perpendicularly at opaque screen

1) Laser beam with wavelength 632.8 nm is aimed perpendicularly at opaque screen with two identical slits on it, positioned horizontally, and close enough to each other so that bo…

1) Length is measured as 9450[cm] ± 40[cm]. What is the relative uncertainty? (I

1) Length is measured as 9450[cm] ± 40[cm]. What is the relative uncertainty? (I answered .0042328042, but it was wrong?) 2)Length is measured as 9450[cm] ± 40[cm]. What is the re…

1) Lenses with given radii. Object O stands in front of a thin lens, on the cent

1) Lenses with given radii. Object O stands in front of a thin lens, on the central axis. For this situation, each problem in the table (below) gives object distance p, index of r…

1) Let P(n) be .... 2) Base Case (for n=1 on this set of positive integers) in w

1) Let P(n) be .... 2) Base Case (for n=1 on this set of positive integers) in which you can plug in n=1 to both sides of the inequality and get the same answer. 3) Induction step…

1) Let x = the position and t = time. At t = 10s, which of the following stateme

1) Let x = the position and t = time. At t = 10s, which of the following statement is correct? a)rider C is ahead of ride D. b)rider D is ahead of rider C. c) rider C and D are at…

1) Lets say you built a mini rocket and are launching it vertically. The mini ro

1) Lets say you built a mini rocket and are launching it vertically. The mini rocket you have designed has a mass of 100kg, and you have engineered it to have an initial velocity,…

1) Lets say you built a mini rocket and are launching it vertically. The mini ro

1) Lets say you built a mini rocket and are launching it vertically. The mini rocket you have designed has a mass of 100kg, and you have engineered it to have an initial velocity,…

1) Light from a stationary spaceship is observed by an observer on Earth, then t

1) Light from a stationary spaceship is observed by an observer on Earth, then the spaceship moves directly away from the observer at high speed while still emitting the light. As…

1) Light of wavelength 420nm goes through a single narrow slit of width a. The a

1) Light of wavelength 420nm goes through a single narrow slit of width a. The angle between the first minimum on the left and the first minimum on the right is 2 degrees. What is…

1) Long-playing vinyl records, still used by club DJs, are 12inches in diameter

1) Long-playing vinyl records, still used by club DJs, are 12inches in diameter and are played at 33 1/3 revolutions per minute.What is the speed (in m/s) of a point on the edge o…

1) Mark the location of Center of Mass for following geomet (2 points) rical sha

1) Mark the location of Center of Mass for following geomet (2 points) rical shapes with a cross sign. 2) An object is moving on a road at a constant speed. Is this object at stat…

1) Mass and weight are both measured in kilograms. True False 2)To the nearest p

1) Mass and weight are both measured in kilograms. True False 2)To the nearest power of 10, an average adult human weighs about 100 N. True False 3) If an elevator is rising at a …

1) Match the following 12 with the closest of the choices (a. through k) given:

1) Match the following 12 with the closest of the choices (a. through k) given: 1. mass a. the force with which the fluid is attracted toward Earth by gravitation. 2. Weightb. ...…

1) Matchthefollowing 12 with the closest of the choices (a. through k) gret 1. a

1) Matchthefollowing 12 with the closest of the choices (a. through k) gret 1. a.... the force with which the fluid is attracted toward Earth by gravitation b. ..10 Pa or 10% N/m2…

1) Material`s polymorphism (allotrophy) a) Chemical element or compound crystali

1) Material`s polymorphism (allotrophy) a) Chemical element or compound crystalizes in various crystallographic lattices depending on temperature and pressure, e.g. Fe b) Crystall…

1) Membrane walls of living cells have surprisingly large electric fields across

1) Membrane walls of living cells have surprisingly large electric fields across them due to separation of ions. What is the voltage across an8.67-nm-thick membrane if the electri…

1) Michael jordan is standing at the top of the three-point line preparing for a

1) Michael jordan is standing at the top of the three-point line preparing for a jump shot at the buzzer. This shot will win the game. being such an expert basketball player, he k…

1) Mini Real Science This will be easier to understand and answer if you try thi

1) Mini Real Science This will be easier to understand and answer if you try this out. Take two shot glasses— Fill one to the rim with water and place it on a cloth or towel on a …

1) Most species of fish have expandable sacs, commonly known as \"swim bladders,

1) Most species of fish have expandable sacs, commonly known as "swim bladders," that enable fish to rise in the water by filling the bladders with oxygen collected by their gills…

1) Mr. Goldfinger breaks into Ft. Knox to steal the gold. Each gold brick has di

1) Mr. Goldfinger breaks into Ft. Knox to steal the gold. Each gold brick has dimensions of 3 cm by 2.7 cm by 13 cm. Goldfinger can only escape carrying an additional weight of 23…

1) Multiple-Concept Example 13 presents useful background for this problem. The

1) Multiple-Concept Example 13 presents useful background for this problem. The cheetah is one of the fastest accelerating animals, for it can go from rest to 31.8 m/s in 3.47 s. …

1) Multiple-Concept Example 13 presents useful background for this problem. The

1) Multiple-Concept Example 13 presents useful background for this problem. The cheetah is one of the fastest accelerating animals, for it can go from rest to 31.8 m/s in 3.47 s. …

1) Newton’s first law states that an object at rest will remain at rest and an o

1) Newton’s first law states that an object at rest will remain at rest and an object in motion will continue moving at the same speed and in the same direction unless acted upon …

1) Newton’s first law states that an object at rest will remain at rest and an o

1) Newton’s first law states that an object at rest will remain at rest and an object in motion will continue moving at the same speed and in the same direction unless acted upon …

1) Nitrogen gas flows into a convergent nozzle at a pressure of 225kPa, a temper

1) Nitrogen gas flows into a convergent nozzle at a pressure of 225kPa, a temperature of 440K and with a very low inlet velocity which may be assumed to be zero. The flow is accel…

1) Nobody at the playground wants to play withthe obnoxious boy, so he fashions

1) Nobody at the playground wants to play withthe obnoxious boy, so he fashions a seesaw sp he can play byhimself. Explain how this is done? ( The boy stands on the lefthand side …

1) Notice that there are two loops, labeled 1 and 2 in this circuit. Does it mat

1) Notice that there are two loops, labeled 1 and 2 in this circuit. Does it matter that there is no battery in loop 1, but only two resistors? Explain. O Yes. A battery is necess…

1) Now a simple resolution of forces question. in the figure below, a Force is s

1) Now a simple resolution of forces question. in the figure below, a Force is shown by the length l = 12.6Newtons, and the angle shown a = 55.0 degrees. Find the horizontal compo…

1) Now we also know that the charge on a pair of parallel plates isproportional

1) Now we also know that the charge on a pair of parallel plates isproportional to the potential difference V, namely q=CV. We also know that the capacitance of two parallel plate…