Engineering analysis

1. (2 points) A duck is floating on a lake with 25% of its volume beneath the wa

1. (2 points) A duck is floating on a lake with 25% of its volume beneath the water. What is the average density of the duck? The density of water is 1000 kg/m^3. (This problem is…

1. (2 points) An example of correct units of specific weight are a) kg/m3 b) slu

1. (2 points) An example of correct units of specific weight are a) kg/m3 b) slug/ft c) lb/ft 2. (2 points) A "no-slip" condition implies: a) fluid sticks to solid boundaries b) t…

1. (2 points) An ideal Otto cycle with a specified compression ratio could be ex

1. (2 points) An ideal Otto cycle with a specified compression ratio could be executed using (a) air, (b) argon, and (c) ethane as the working fluid. The thermal efficiency will b…

1. (2 points) For fatigue loading with a combined stress state, such as both ben

1. (2 points) For fatigue loading with a combined stress state, such as both bending and torsion, the stress that should be used in to evaluate fatigue life is the a. b. c. Von Mi…

1. (2 points) For fatigue loading with a combined stress state, such as both ben

1. (2 points) For fatigue loading with a combined stress state, such as both bending and torsion, the stress that should be used in to evaluate fatigue life is the a. b. c. Von Mi…

1. (2 pts) A conventional current of 0.1 A is flowing through a copper wire of r

1. (2 pts) A conventional current of 0.1 A is flowing through a copper wire of radius 0.I mm. How many electrons per second are drifting through the wire? Answer 2. (2 pts) Electr…

1. (2) A current of 0.25 amps is flowing trough a single resistor connected to a

1. (2) A current of 0.25 amps is flowing trough a single resistor connected to a 12.00 volt battery. Determine the           value of the resistor 2 .Two resistors R1 = 90.0 ohms …

1. (20 points) A particle of mass m 1.609 x 10-10 kg and charge 1.609 x 10-19 C

1. (20 points) A particle of mass m 1.609 x 10-10 kg and charge 1.609 x 10-19 C is moving at u = 1.00 x103 m/s in the -z-direction as it enters a region of space containing a rnag…

1. (20 points) A solid sphere of mass m and radius r spins about a horizontal ax

1. (20 points) A solid sphere of mass m and radius r spins about a horizontal axis with a period T. It is hung by a thread attached to that horizontal axis at the edge of the sphe…

1. (20 points) An experimentalist finds that air resistance causes a force actin

1. (20 points) An experimentalist finds that air resistance causes a force acting opposite to the motion on an object that is proportional to the velocity squared. F = ky? (a) Let…

1. (20 points) Circle the correct answer for each question related to MATLAB. (a

1. (20 points) Circle the correct answer for each question related to MATLAB. (a) 5 points) A is a 4 x 4 matrix. How do you access the element in column 3, row 2? iii) A(4,3,2) (v…

1. (20 points) Given the data below where t time (independent variable) [in h ho

1. (20 points) Given the data below where t time (independent variable) [in h hour] and P = power (dependent variable) [in kw kilowatt], write a MATLAB script named Energy Name.m …

1. (20 points) Given the data below where t time (independent variable) [in h ho

1. (20 points) Given the data below where t time (independent variable) [in h hour] and P = power (dependent variable) [in kw kilowatt], write a MATLAB script named Energy Name.m …

1. (20 points) Write a main function that performs the following operations: a.)

1. (20 points) Write a main function that performs the following operations: a.) Prompts the user to input the names of 3 files: two input files and an output file. b.) Reads in t…

1. (20 points) Write a main function that performs the following operations: a.)

1. (20 points) Write a main function that performs the following operations: a.) Prompts the user to input the names of 3 files: two input files and an output file. b.) Reads in t…

1. (20 pts)The figure gives the position (in cm) as a function of time (in ms) O

1. (20 pts)The figure gives the position (in cm) as a function of time (in ms) Of a block with mass in attached to a spring with spring constant k. (a) (2pts) What is the period o…

1. (20 pts)The figure gives the position (in cm) as a function of time (in ms) o

1. (20 pts)The figure gives the position (in cm) as a function of time (in ms) of a block with mass m attached to a spring with spring constant k. (a) (2pts) What is the period of…

1. (20 pts)The figure gives the position (in cm) as a function of time (in ms) o

1. (20 pts)The figure gives the position (in cm) as a function of time (in ms) of a block with mass in attached to a spring with spring constant k. (a) (2pts) What is the period o…

1. (20 pts)The figure gives the position (in cm) as a function of time (in ms) o

1. (20 pts)The figure gives the position (in cm) as a function of time (in ms) of a block with mass m attached to a spring with spring constant k. (a) (2pts) What is the period of…

1. (20 pts.) A bowling ball of mass M and radius R (treated as a uniform solid s

1. (20 pts.) A bowling ball of mass M and radius R (treated as a uniform solid sphere) is thrown along a level floor with initial kinetic energy K0. It is thrown so that initially…

1. (20%) The only force acting on a 2.0 kg body as it moves along the x axis var

1. (20%) The only force acting on a 2.0 kg body as it moves along the x axis varies as shown in Figure below. The velocity of the body at x = 0 is 4.0 m/s. (a) What is the kinetic…

1. (20) When two parallel springs, with constants k1 and k2, support a single we

1. (20) When two parallel springs, with constants k1 and k2, support a single weight W, the effective spring constant on the system is given by 4k1k2 k1 + k2 ? A 24-pound weight s…

1. (24 points) A large cannon, which is attached to a railroad car, shoots a 15

1. (24 points) A large cannon, which is attached to a railroad car, shoots a 15 kg projectile with a muzzle velocity of 250 m/s. The railroad car and the cannon have a total mass …

1. (25 points) In this problem, we calculate the pumping power for a Nd*: Glass

1. (25 points) In this problem, we calculate the pumping power for a Nd*: Glass laser. Some of the properties of this laser are summarized below: Linewidth of the gain curve: 200 …

1. (25 points) While at the roller derby the other night, i measured the oval tr

1. (25 points) While at the roller derby the other night, i measured the oval track as having two straight sections, each 70 feet long. The track was is feet wide. The two circula…

1. (2pts) What is the approximate size of a SiO2 molecule? 2. (2pts) Wafer scale

1. (2pts) What is the approximate size of a SiO2 molecule? 2. (2pts) Wafer scale integration refers to using an entire wafer as a die to make a single integrated cuit. What is the…

1. (2ptsx 15-30pts) Multiple Choice: Choose the best answer a) A power of 100 kW

1. (2ptsx 15-30pts) Multiple Choice: Choose the best answer a) A power of 100 kW for 90 seconds is equal to which option? A. 2151 Kilocalorie B. 853 Btu C. 25 kWh D. None of the a…

1. (3 points) What is the effect of the magnetic field on the particle below? A.

1. (3 points) What is the effect of the magnetic field on the particle below? A. The particle will speed up B. The particle will slow down C. The particle will curve to the left D…

1. (3 points) What is the effect of the magnetic field on the particle below? A.

1. (3 points) What is the effect of the magnetic field on the particle below? A. The particle will speed up B. The particle will slow down C. The particle will curve to the left D…

1. (3 pts) Consider Procedure A. Suppose you place a 20.0-g mass on the end of a

1. (3 pts) Consider Procedure A. Suppose you place a 20.0-g mass on the end of a spring and end of the spring moves from a position 0.462m above the table to a position 0.370m abo…

1. (3 pts) From the following identify the incorrect statement(s) about the all

1. (3 pts) From the following identify the incorrect statement(s) about the all red clearance interval at a signalized intersection A. The purpose of a red clearance interval is t…

1. (30) Figure 1 is a graph of the change in temperature of a substance as a fun

1. (30) Figure 1 is a graph of the change in temperature of a substance as a function of the heat added. The process starts at - 30o and ends at 550o C. Assume the substance start…

1. (32%) Assume that A and B are MATLAB arrays with 10 rows and an equal number

1. (32%) Assume that A and B are MATLAB arrays with 10 rows and an equal number of columns (the number of columns is not given). Important: Next, the expression "a single line of …

1. (33 points) The figure below shows two blocks of mass mi = 250g and m2 = 400g

1. (33 points) The figure below shows two blocks of mass mi = 250g and m2 = 400g are connected by a massless cord wrapped around a uniform disk of mass M = 740g and radius R = 11.…

1. (36 points) (a) The operation of the watchdog timer is controlled by the 16-b

1. (36 points) (a) The operation of the watchdog timer is controlled by the 16-bit register WDTCTL. It is guarded against accidental writes by requiring the password WDTPW = 0x5A …

1. (36 points) (a) The operation of the watchdog timer is controlled by the 16-b

1. (36 points) (a) The operation of the watchdog timer is controlled by the 16-bit register WDTCTL. It is guarded against accidental writes by requiring the password WDTPW = 0x5A …

1. (4 points) The inet of a two-dimensional duct, shown below, is of width b and

1. (4 points) The inet of a two-dimensional duct, shown below, is of width b and contains a frictionless fluid of constant density . The velocity in one half of the duct is Ul and…

1. (4 pts. each) Consider two concentric conducting spherical shells. Inner shel

1. (4 pts. each) Consider two concentric conducting spherical shells. Inner shell carries an excess charge of +2 C and outer shell carries +4 0. In the figure, the inner shell has…

1. (4 pts.) A person with a body mass of 72 kg was running over level ground wit

1. (4 pts.) A person with a body mass of 72 kg was running over level ground with a strong tailwind, while wearing a 5 kg weighted vest. The tailwind applied a horizontal force of…

1. (4 pts.) A person with a body mass of 72 kg was running over level ground wit

1. (4 pts.) A person with a body mass of 72 kg was running over level ground with a strong tailwind, while wearing a 5 kg weighted vest. The tailwind applied a horizontal force of…

1. (4 pts.) A wave on a string is described by: y 8 cos(2T(8x -10t)). Lengths ar

1. (4 pts.) A wave on a string is described by: y 8 cos(2T(8x -10t)). Lengths are measured in meters and time in seconds. What is this wave's: Amplitude:m Wavelength: dt de, m Fre…

1. (40 POINTS) A cylinder and pulley have radii Rc = 0.150 m and Rp = 0.120 m, r

1. (40 POINTS) A cylinder and pulley have radii Rc = 0.150 m and Rp = 0.120 m, respectively. Consider these two rotating objects to be uniform solid cylinders (i.e. disks) with ma…

1. (40 POINTS) In the following problem, the positive x-direction is rightward a

1. (40 POINTS) In the following problem, the positive x-direction is rightward and the velocities written are components along x. The velocity component is positive if the motion …

1. (40 points total) A metal container of height, H has an inside cross sectiona

1. (40 points total) A metal container of height, H has an inside cross sectional weight of Wh When empty. The container is placed on a scale and water flows in through an opening…

1. (40 points) A driver is traveling on a straight country road at constant velo

1. (40 points) A driver is traveling on a straight country road at constant velocity Vi. She spots a spare tire in the middle of the road at initial time t1-0. Her reaction time i…

1. (40 points) A driver is traveling on a straight country road at constant velo

1. (40 points) A driver is traveling on a straight country road at constant velocity Vi. She spots a spare tire in the middle of the road at initial time t1-0. Her reaction time i…

1. (4pts) The diffused impurities with ________ valence electrons are called don

1. (4pts) The diffused impurities with ________ valence electrons are called donor atoms. a.4 b.3 c.5 d.0 2. (4pts) A perfect conductor would have zero resistivity (i), and a perf…

1. (5 points) An expression for the potential of a point charge at the origin wh

1. (5 points) An expression for the potential of a point charge at the origin where r is the distance from the origin to the point of interest, What is this potential referenced t…

1. (5 points) Convert and calculate mass of 1 Kilogram into energy in unit of Ge

1. (5 points) Convert and calculate mass of 1 Kilogram into energy in unit of GeV. 2. (5 points) In natural unit, convert 1 meter as GeV-. 3. (10 points) Calculate the speed of an…

1. (5 points) x (m) lfm-1-3.0 kg, m-2 = 4.0 kg, and m-3 = 6.0 kg, find the x and

1. (5 points) x (m) lfm-1-3.0 kg, m-2 = 4.0 kg, and m-3 = 6.0 kg, find the x and y coordinates of the center-of-mass of this system. 2. (10 points) The figure shows a thin rod, of…