Engineering analysis

1) a tractor of mass M1=2000 kg is pulling a trailer of mass M2=4000 kg. the whe

1) a tractor of mass M1=2000 kg is pulling a trailer of mass M2=4000 kg. the wheels of the trailer only are subject to friction with coefficient 0.2. if the tractor-trailer is acc…

1) a) A 83.0 kg fullback is running at 3.86 m/s to the east and is stopped in 0.

1) a) A 83.0 kg fullback is running at 3.86 m/s to the east and is stopped in 0.760 s by a head-on tackle by a tackler running due west. Calculate the original momentum of the ful…

1) a) A charge of +5.00 nC is placed at the origin, and another charge of -3.00

1) a) A charge of +5.00 nC is placed at the origin, and another charge of -3.00 nC is placed 2.5 cm west of origin, what is the electric potential at 3 cm east from origin? b) Rep…

1) a) A charge of +5.00 nC is placed at the origin, and another charge of -3.00

1) a) A charge of +5.00 nC is placed at the origin, and another charge of -3.00 nC is placed 2.5 cm west of origin, what is the electric potential at 3 cm east from origin? b) Rep…

1) a) Assume that you have two AISI 1045 cylindrical samples with two different

1) a) Assume that you have two AISI 1045 cylindrical samples with two different diameters: one 1 in. thick and the other 2 in. thick. You astenitize and quench both samples in wat…

1) a) Chapter 5.7 describes the impact of non--ideal op amp characteristics on t

1) a) Chapter 5.7 describes the impact of non--ideal op amp characteristics on the output of the inverting amplifier circuit. Assume that Rs = 10k and Rf = 1 M. Let A = 105, Ri = …

1) a) Five identical resistors, each of resistance R, are connected in series to

1) a) Five identical resistors, each of resistance R, are connected in series to a battery, and a current of 8.27 A flows in the circuit. Now, another resistor of resistance R is …

1) a) The ISA is often referred to as the programmer’s model of the machine, why

1) a) The ISA is often referred to as the programmer’s model of the machine, why? b) What is a machine language and what is an assembly language? c) Write an ARC program (with nec…

1) a) The lady below is pulling on a 200 lb door that is on rollers and has a ce

1) a) The lady below is pulling on a 200 lb door that is on rollers and has a center of gravity at the geometric center. If the door is slid opened at a constant acceleration and …

1) a) The lady below is pulling on a 200 lb door that is on rollers and has a ce

1) a) The lady below is pulling on a 200 lb door that is on rollers and has a center of gravity at the geometric center. If the door is slid opened at a constant acceleration and …

1) a) Throughtout the giant swing, the gymnast had to use her grip force and/or

1) a) Throughtout the giant swing, the gymnast had to use her grip force and/or body weight to accelerate her center of mass towards the bar. Based on the graph of angular velocit…

1) a) What is themechanical energy E of thelinear oscillator of Problem 1 above.

1) a) What is themechanical energy E of thelinear oscillator of Problem 1 above. (Initially, the block’sposition is x= 11 cm and its speed isv = 0. Spring constant k is 65N/m.) b)…

1) a) a particle rotates in a circle with a centripetal acceleration a=8.0m/s^2.

1) a) a particle rotates in a circle with a centripetal acceleration a=8.0m/s^2.what is the value of a if (i) the radius is doubled without changing the particle speed? b) (ii) th…

1) a) the momentum of a 2.5 mg mosquito traveling with a speed of 0.89 m/s. b)Ca

1) a) the momentum of a 2.5 mg mosquito traveling with a speed of 0.89 m/s. b)Calculate the momentum of a 3.4 g bullet traveling with a speed of 230 m/s. c)Calculate the momentum …

1) a)A bicycle racer is going downhill at 11.0m/s when, to his horror, one of hi

1) a)A bicycle racer is going downhill at 11.0m/s when, to his horror, one of his 2.25kg wheels comes off when he is 75.0m above the foot of the hill. We can model the wheel as a …

1) a. A mass attached to a spring is moving is SHM and its speed is decreasing.

1) a. A mass attached to a spring is moving is SHM and its speed is decreasing. What is happening to its acceleration during this interval? b. What force is directly responsible f…

1) a. At which point in its cycle is the tangential acceleration of a penedelum

1) a. At which point in its cycle is the tangential acceleration of a penedelum the greatest? At which point is it's tangential acceleration zero? b. In which direction is the pen…

1) a. Find the difference of the initial and the final masses for the 115B105B+n

1) a. Find the difference of the initial and the final masses for the 115B105B+n. The atomic mass of 115B is 11.009306 u , the atomic mass of 105B is 10.012937 u ,the mass of neut…

1) a. Find the difference of the initial and the final masses for the 115B105B+n

1) a. Find the difference of the initial and the final masses for the 115B105B+n. The atomic mass of 115B is 11.009306 u , the atomic mass of 105B is 10.012937 u ,the mass of neut…

1) a. Suppose you have a tug-of-war with someone who is the same weight as you.

1) a. Suppose you have a tug-of-war with someone who is the same weight as you. You both pull as hard as you can, and it is a stand-off. One might move a little in one direction o…

1) a. consider a ball of m= 0.50kg. does it take the same amount of additional e

1) a. consider a ball of m= 0.50kg. does it take the same amount of additional energy to vertically lift it from 25cm to 30cm as it does to lift from 30cm to 35 cm? if not, which …

1) after a pleasant day at the beach, you carry your 16-kg surfboard across the

1) after a pleasant day at the beach, you carry your 16-kg surfboard across the parking lot to your car, a distance of 49.0 m. what is the work done by you on the surfboard 2) Aft…

1) all points on a rigid rotating body have the same angular velocity about the

1) all points on a rigid rotating body have the same angular velocity about the axis of rotation....2) Centripetal and centrifugal forces are an action-reaction pair of forces, in…

1) all points on a rigid rotating body have the same angular velocity about the

1) all points on a rigid rotating body have the same angular velocity about the axis of rotation....2) Centripetal and centrifugal forces are an action-reaction pair of forces, in…

1) an antelope runs with a constant velocity of 22.0ms^-1 by a cheetah that is l

1) an antelope runs with a constant velocity of 22.0ms^-1 by a cheetah that is lying in the grass. The cheetah gets up and begins chasing directly after the antelope just as it ha…

1) angular ???? is the rotatioal velocity of a phasor,which isrelated to the fre

1) angular ???? is the rotatioal velocity of a phasor,which isrelated to the frequency of the sine wave that the phasorrepresents. 2)the ????? value of a sine wave is the value of…

1) answer the question as posed in picture below, then: 2) if you swap the conve

1) answer the question as posed in picture below, then: 2) if you swap the converging and diverging lens in the problem (converging lens at 25.0 cm from the object and the divergi…

1) answer the question as posed in picture below, then: 2) if you swap the conve

1) answer the question as posed in picture below, then: 2) if you swap the converging and diverging lens in the problem (converging lens at 25.0 cm from the object and the divergi…

1) calculate the magnetomotive force (in amperre-turns) of thefollowing sources:

1) calculate the magnetomotive force (in amperre-turns) of thefollowing sources: a) 500-turn coil with an electron flow of 24 mA. b) current of 1.5 amperes flowing through a 75-tu…

1) consider two masses, m1 and m2, with m2=2m1. both masses ae pushed a distance

1) consider two masses, m1 and m2, with m2=2m1. both masses ae pushed a distance d by th same constant foce F. a) is the work done by the force F in case (m1) greater than, less t…

1) consider two masses, m1 and m2, with m2=2m1. both masses ae pushed a distance

1) consider two masses, m1 and m2, with m2=2m1. both masses ae pushed a distance d by th same constant foce F. a) is the work done by the force F in case (m1) greater than, less t…

1) d=v(avg)t 2) vf= vi + at 3) d= v(initial)t +1/2 acceleration times time^2 4)

1) d=v(avg)t 2) vf= vi + at 3) d= v(initial)t +1/2 acceleration times time^2 4) v(final)^2 = v(initial)^2 + 2 acceleration times d I'm really struggling with my physics homework, …

1) describe what determines the size of a main sequence star and explain how sta

1) describe what determines the size of a main sequence star and explain how stars get their energy and how stars obtain energy when all of the hydrogen is depleted. 2) describe t…

1) device consists of two rotating disks, separated by a distance of d = 0.819 m

1)  device consists of two rotating disks, separated by a distance of d = 0.819 m, and rotating with an angular speed of 98.7 rad/s. The bullet first passes through the left disk …

1) do you apply more force to get the block started in motion or to maintain it

1) do you apply more force to get the block started in motion or to maintain it in motion? 2) is the static friction or the kinetic friction force larger? 3) when is the normal fo…

1) do you apply more force to get the block started in motion or to maintain it

1) do you apply more force to get the block started in motion or to maintain it in motion? 2) is the static friction or the kinetic friction force larger? 3) when is the normal fo…

1) e all of o the correct answers. There may be more than one. In contrast to a

1) e all of o the correct answers. There may be more than one. In contrast to a horizontal line, a level line: a. Is a straight line. b. Is a curved line. resents points that are …

1) excess electrons are placed on a small lead sphere with mass 8.00g so that it

1) excess electrons are placed on a small lead sphere with mass 8.00g so that its net charge is -3.20x10^-9 C. Find the number of excess electrons on the sphere!? A) How many exce…

1) find the current in each resistor. 2) find the voltage across each resistor.

1) find the current in each resistor. 2) find the voltage across each resistor. 3) find the power dissipated in each resistor. 4) which resistor dissipates the most power, the one…

1) find the value of the planck mass. (2) A student throws aset of keys vertical

1) find the value of the planck mass. (2) A student throws aset of keys vertically upward to her sorority sister, who is in awindow 4.00m above. the keys are caught 1.50s later by…

1) find the z-transform, x(z), given x(n) = (0.75^n)u(n) - (-0.75^n-1)u(n-1) a)

1) find the z-transform, x(z), given x(n) = (0.75^n)u(n) - (-0.75^n-1)u(n-1) a) z/(z-0.75) -1/(z+0.75) b) z/(z-0.75) +1/(z+0.75) c) 1/(z-0.75) -z/(z+0.75) d) 1/(z-0.75) -1/(z+0.75…

1) find the z-transform, x(z), of x(n)= cos(1.75n-0.85)u(n) 2) Find the system t

1) find the z-transform, x(z), of x(n)= cos(1.75n-0.85)u(n) 2) Find the system transfer function of a causal LSI system whose impulse response is given bystyle="font-family: arial…

1) for each of the following matrices , find the characteristic equation , the e

1) for each of the following matrices , find the characteristic equation , the eigenvalues,and corresponding eigenvectors and eigenspaces and give a matrix P such the matrix P^...…

1) from an initial state of the gas described by T = 14.5degrees C and P = 2.00

1) from an initial state of the gas described by T = 14.5degrees C and P = 2.00 x 104 Pa, the gas undergoes anisothermal expansion against a constant external pressure of 1.00 x10…

1) from your linear fit, what is your spring constant? What is the distance from

1) from your linear fit, what is your spring constant? What is the distance from zero the cart was dragged? (Explain your answer with details) 2) calculate the expected work based…

1) from your linear fit, what is your spring constant? What is the distance from

1) from your linear fit, what is your spring constant? What is the distance from zero the cart was dragged? (Explain your answer with details) 2) calculate the expected work based…

1) hockey puck B rest on a smooth ice surface and is struck by a second puck A,

1) hockey puck B rest on a smooth ice surface and is struck by a second puck A, which has the same mass. Puck A is initially travelling at 15m/s ans is deflected 25 degrees from i…

1) how does the decrease in gravitational potential energy of a falling ball com

1) how does the decrease in gravitational potential energy of a falling ball compare to its increase in kinetic energy? 2) What happens to the total of the gravitational potential…

1) how does the decrease in gravitational potential energy of a falling ball com

1) how does the decrease in gravitational potential energy of a falling ball compare to its increase in kinetic energy? 2) What happens to the total of the gravitational potential…

1) how does the force that the light cart exerts on the heavy cart compare with

1) how does the force that the light cart exerts on the heavy cart compare with the force that the heavy cart exerts on the light cart? Are they zero at the same times, do they re…