Engineering analysis

1. Heat is conducted through the two slabs shown in the drawing. The slabs have

1. Heat is conducted through the two slabs shown in the drawing. The slabs have identical thicknesses and cross sectional areas, but they are made from different materials. The th…

1. Heat transfer by conduction is dependent upon, (a) particles being able to ca

1. Heat transfer by conduction is dependent upon, (a) particles being able to carry the heat to a cooler environment, (b) infrared waves transporting the energy, (c) the conductiv…

1. Here is the setup. A cart of mass M on frictionless wheels will be pushed wit

1. Here is the setup. A cart of mass M on frictionless wheels will be pushed with a constant force F. A block of mass m is placed on top of the cart. There is friction between the…

1. Hot air flowing through a counter-flow double-pipe heat exchanger at a rate o

1. Hot air flowing through a counter-flow double-pipe heat exchanger at a rate of 0.5 kg/s must be cooled from 250ºC to about 100ºC by water in the annulus initially at 15ºC. The …

1. How are Fh and Fc values affected by time? Discuss the reasons. 2. Does the j

1. How are Fh and Fc values affected by time? Discuss the reasons. 2. Does the j value change by location or time? Discuss the reasons. 3. Where would you expect the slowest heari…

1. How are the following decimal-signed numbers represented in HCS12? I. -12 II.

1. How are the following decimal-signed numbers represented in HCS12? I. -12 II. +127 III. -128 ///////////////////////////////////////////////////////////////////////////////////…

1. How are the following decimal-signed numbers represented in HCS12? I. -12 II.

1. How are the following decimal-signed numbers represented in HCS12? I. -12 II. +127 III. -128 ///////////////////////////////////////////////////////////////////////////////////…

1. How can a charged object attract an uncharged object made of non-conducting m

1. How can a charged object attract an uncharged object made of non-conducting material? a. The uncharged object must somehow gain a like charge. b. The uncharged object must some…

1. How can an aircraft carrier (or a concrete canoe) float when the density of t

1. How can an aircraft carrier (or a concrete canoe) float when the density of the material used to build it is greater than the density of water? 2. Does air create a buoyant for…

1. How can up to 50% energy savings be realized? REWORD this answer It can be re

1. How can up to 50% energy savings be realized? REWORD this answer It can be realized that the building used half of the energy from the baseline load. By reducing the energy con…

1. How could this be a generator??? 2. In 2nd picture, generator or motor and if

1. How could this be a generator??? 2. In 2nd picture, generator or motor and if motion is clockwise is this a generator or motor This fact can be used to produce an equivalent (a…

1. How do I show a sample calculation of finding the uncertainty in total energy

1. How do I show a sample calculation of finding the uncertainty in total energy by estimating the uncertainty of measurements of the angle of the track and the position of the ca…

1. How do distances and displacements differ ? 2. What determines whether quanti

1. How do distances and displacements differ ? 2. What determines whether quantities are vectors or scalars ? 3. If an object in an open convertible moving at a constant 20mi/hr w…

1. How do the average measured and calculated velocities for the ball right afte

1. How do the average measured and calculated velocities for the ball right after the collision compare? (Values are about the same if the percent difference is less than 10%.) a.…

1. How do the solutions to the Schrodinger equation relate to a system? a) They

1. How do the solutions to the Schrodinger equation relate to a system? a) They identify the exact locations of electrons. b) They determine the atomic numbers Z of atoms. c) They…

1. How do the solutions to the Schrodinger equation relate to a system? a) They

1. How do the solutions to the Schrodinger equation relate to a system? a) They identify the exact locations of electrons. b) They determine the atomic numbers Z of atoms. c) They…

1. How do we know the Sun has magnetic fields? 2. What are neutrinos? 3. Why neu

1. How do we know the Sun has magnetic fields? 2. What are neutrinos? 3. Why neutrinos useful for studying the Sun? 4. What is the Solar neutrino problem? 5. How do we know that t…

1. How do you calibrate an oscilloscope? 2. If you change the volts/Div setting

1. How do you calibrate an oscilloscope? 2. If you change the volts/Div setting on the oscilloscope are you changing the signal from the function generator or are you just changin…

1. How do you get the algebraic expression for the velocity of a block in SHM? a

1. How do you get the algebraic expression for the velocity of a block in SHM? a. Take the derivative of the acceleration function. b. Take the integral of the position function. …

1. How do you think scientists view the notion of mind–body interaction? Are the

1. How do you think scientists view the notion of mind–body interaction? Are they likely to be skeptical of physical things causally interacting with nonphysical entities? If so, …

1. How do you think scientists view the notion of mind–body interaction? Are the

1. How do you think scientists view the notion of mind–body interaction? Are they likely to be skeptical of physical things causally interacting with nonphysical entities? If so, …

1. How does the law of the conservation of energy relate to the first law of the

1. How does the law of the conservation of energy relate to the first law of thermodynamics? 2. Why does the air coming out of your mouth feel the way it does if you blow on your …

1. How does the law of the conservation of energy relate to the first law of the

1. How does the law of the conservation of energy relate to the first law of thermodynamics? 2. Why does the air coming out of your mouth feel the way it does if you blow on your …

1. How does the melting of the polar ice cap affect the amount of energy absorbe

1. How does the melting of the polar ice cap affect the amount of energy absorbed from the sun? 2. How does the earth's climate redistribute heat from the equator to the poles? 3.…

1. How does the resistance of a 100W light bulb compare to the resistance of a 6

1. How does the resistance of a 100W light bulb compare to the resistance of a 60W light bulb? A. The 100W light bulb has a higher resistance than the 60W light bulb. B. The 100W …

1. How does the resistance of a wire depend upon the wirediameter? 2. How does t

1. How does the resistance of a wire depend upon the wirediameter? 2. How does the resistance of a wire depend upon the wirelength? 3. Why is it useful to have a resistance measur…

1. How far (in meters) must a 600 kg pile driver fall, if it is to do 14000 J of

1. How far (in meters) must a 600 kg pile driver fall, if it is to do 14000 J of work? 2. A spring whose spring constant is 150 N/m is compressed 0.800 m. What speed (in meters/se…

1. How far should the car be traveling just as it leaves the cliff in order to j

1. How far should the car be traveling just as it leaves the cliff in order to just clear the river and land safely on the opposite side 2. What is the speed of the car just befor…

1. How far would a polar stratospheric cloud particle fall during winter (100 da

1.      How far would a polar stratospheric cloud particle fall during winter (100 days)? Assume the particulate diameter is 1 um, and that the settling or terminal velocity is ap…

1. How is Particle Research at LHC related to the research done by astronomers?

1. How is Particle Research at LHC related to the research done by astronomers? a. New forms of matter discovered first through telescopes may be created and investigated at close…

1. How is the angular acceleration related to the linear acceleration? A. = Forc

1. How is the angular acceleration related to the linear acceleration? A. = Force / mass B. = Acceleration / Radius of large disk C. = Acceleration / Radius of Smart Pulley ----- …

1. How is the center of mass related to gravitational acceleration, g, (a) Depen

1. How is the center of mass related to gravitational acceleration, g, (a) Dependent (b) if g is constant, the center of gravity is equal to the center of mass (c) Independent (d)…

1. How is the charge of a proton related to the charge of an electron? a. the ch

1. How is the charge of a proton related to the charge of an electron? a. the charges of both are equal b. the charges are equal in magnitude but of opposite sign c. the proton's …

1. How large is the electric field (magnitude only) at a point that is 40.0 cm a

1. How large is the electric field (magnitude only) at a point that is 40.0 cm away from an isolated 1.94×105 C charge? [Answer: 1.09 e6 N/C is WRONG because it wants the answer i…

1. How large is the electric field (magnitude only) at a point that is 40.0 cm a

1. How large is the electric field (magnitude only) at a point that is 40.0 cm away from an isolated 1.94×105 C charge? [Answer: 1.09 e6 N/C is WRONG because it wants the answer i…

1. How long does an organ pipe have to be if it is closed at one end, open at th

1. How long does an organ pipe have to be if it is closed at one end, open at the other, and has a fundamental frequency of 107 Hz? Assume that the speed of sound in air is 343 m/…

1. How long does an organ pipe have to be if it is closed at one end, open at th

1. How long does an organ pipe have to be if it is closed at one end, open at the other, and has a fundamental frequency of 107 Hz? Assume that the speed of sound in air is 343 m/…

1. How long must a copper wire be to have a resistance of 1 ohm if it has a squa

1. How long must a copper wire be to have a resistance of 1 ohm if it has a square cross section 1mm on a side? 2. what different values of resistance can you get by combining thr…

1. How long would a day be if the earth were rotating sofast that the objects in

1. How long would a day be if the earth were rotating sofast that the objects in the equator would be weightless? 2. Using one of the Keplers' laws, show that the ratioof the spee…

1. How many cycles are needed to execute these instructions on a forwarding and

1. How many cycles are needed to execute these instructions on a forwarding and non-forwarding pipeline datapath? LD X1, 40(x6) Add X6, X2, X2 Sd X6, 50(X1) (25 points) 8, 8 0 9,8…

1. How many different 4 s states does the hydrogen atom have? 10 2 0 8 2. The el

1. How many different 4s states does the hydrogen atom have? 10 2 0 8 2. The element boron has the atomic number Z = 5. What element of the next-larger Z has properties similar to…

1. How many lines per centimeter does a grating have if the third-order occurs a

1. How many lines per centimeter does a grating have if the third-order occurs at a 17.6° angle for 630 nm light? 3. Two first-order spectrum lines are measured by an 9550 line/cm…

1. How many lines per centimeter does a grating have if the third-order occurs a

1. How many lines per centimeter does a grating have if the third-order occurs at a 17.6° angle for 630 nm light? 3. Two first-order spectrum lines are measured by an 9550 line/cm…

1. How many liters of water would be saved if everyone in the United States who

1.     How many liters of water would be saved if everyone in the United States who does not turn off the faucet while they brush their teeth, did so? Assume One-third of people l…

1. How many nanometers are there in one meter? The answer has units [nm/m]. - 10

1. How many nanometers are there in one meter? The answer has units [nm/m]. - 106 - 10-6 - 103 - 10-3 - 10-9 - 109 - 103/109 - 109/103 2. What does ? represent in this experiment?…

1. How many output devices can be put in series on a rung in a ladder logic diag

1. How many output devices can be put in series on a rung in a ladder logic diagram?  How many output devices in parallel? 2. In the movement of a robot arm, the arm is commanded …

1. How many tons of coal would be needed each year to provide for the entire ene

1. How many tons of coal would be needed each year to provide for the entire energy needs for the average person in the United States? 2. A bicyclist on a flat road expends energy…

1. How many tons of coal would be needed each year to provide for the entire ene

1. How many tons of coal would be needed each year to provide for the entire energy needs for the average person in the United States? 2. A bicyclist on a flat road expends energy…

1. How much charge does a 17V battery have to supply to fully charge a 2.8uf cap

1. How much charge does a 17V battery have to supply to fully charge a 2.8uf capacitor and a 4.6uf capacitor when they are in parallel? 2. How much charge when they are in series?…

1. How much charge does a battery have to supply to a 4.0 ? F capacitor to creat

1. How much charge does a battery have to supply to a 4.0?F capacitor to create a potential difference of 1.4V across its plates? 2. How much energy is stored in the capacitor in …