Engineering analysis

1.The neighborhood joker comes up to you and is really on a roll this morning. A

1.The neighborhood joker comes up to you and is really on a roll this morning. After several “good ones” they then say “OK so you’re taking physics, right? Here’s one – if the acc…

1.The net charge on the planet earth is equivalent to the charge on the number o

1.The net charge on the planet earth is equivalent to the charge on the number of electrons contained in one US penny ( pre- 1982). Assume this charge is distributed evenly over t…

1.The net force on a box is in the positive x direction. Which of the following

1.The net force on a box is in the positive x direction. Which of the following statements best describes the motion of the box? a.Its velocity is parallel to the x axis. b.Its ac…

1.The next problem is based on the velocity versus mass graph shown in the image

1.The next problem is based on the velocity versus mass graph shown in the image below AFTER an explosion has occurred creating two masses (1kg and 2kg) . http://tinypic.com/view.…

1.The particle starts from rest at t=0. What is the magnitude p of the momentum

1.The particle starts from rest at t=0. What is the magnitude p of the momentum of the particle at time t ? Assume that t>0. Express your answer in terms of any or all of m, F,…

1.The photo above was taken with the camera shutter open for 1/20 sec. The dista

1.The photo above was taken with the camera shutter open for 1/20 sec. The distance between white stripes is 3 meters. The length of the blur is the distance the car traveled whil…

1.The population of India in the year 2000 was 1 billion and it increased expone

1.The population of India in the year 2000 was 1 billion and it increased exponentially at a rate of 1.6% per year. If the growth rate is maintained, what will be the population i…

1.The potential difference across a length of wire is increased. Which of the fo

1.The potential difference across a length of wire is increased. Which of the following does not increase as well? The electric field in the wire. The power dissipated in the wire…

1.The potential energy, E, stored in a spring as a function of its compression,x

1.The potential energy, E, stored in a spring as a function of its compression,x, is given by the equation E(x)=1/2kx2...where k is the stiffness of the spring. Using a nested loo…

1.The pressure in the atmosphere is not constant, but fluctuates as the weather

1.The pressure in the atmosphere is not constant, but fluctuates as the weather changes. If the pressure outside a window drops by 4% while the pressure inside does not change, wh…

1.The pressure of an ideal gas in a sealed rigid container is directly proportio

1.The pressure of an ideal gas in a sealed rigid container is directly proportional to its temperature only if the temperature is measured in K? True or False 2.If you increase th…

1.The process of translating an IP from an internal private IP to a public IP is

1.The process of translating an IP from an internal private IP to a public IP is known as ____. 2.Which of the following are required to communicate with other hosts on your own n…

1.The resistance of a bagel toaster is 14 ohm. To prepare abagel, the toaster is

1.The resistance of a bagel toaster is 14 ohm. To prepare abagel, the toaster is operated for one minute from a 120- Voutlet. How much energy is delivered to the toaster? 2.The cu…

1.The resonant frequency decreases, because it depends inversely on the square r

1.The resonant frequency decreases, because it depends inversely on the square root of the capacitance, and the equivalent capacitance increases when a second capacitor is added i…

1.The smallest scale of the following is A 1:200 B 1:1000 C. 1:500 D. 1:300 Q2:

1.The smallest scale of the following is A 1:200 B 1:1000 C. 1:500 D. 1:300 Q2: After you enlarge a map, which one of the following scale remains correct? A. verval scale B. fract…

1.The springs used in ball-point pens are some of the weaker examples found in p

1.The springs used in ball-point pens are some of the weaker examples found in practical applications. It usually only takes about 5 gram of mass resting on such a spring to compr…

1.The tension in the string is generally provided by weights on a hanger, but wh

1.The tension in the string is generally provided by weights on a hanger, but while experimenting with the system you can use your hand to apply extra force. With the frequency fi…

1.The total momentum of a system is the same at a later time as at an earlier ti

1.The total momentum of a system is the same at a later time as at an earlier time if there are no (check one) ? collisions between particles within the system. ? inelastic collis…

1.The total momentum of a system is the same at a later time as at an earlier ti

1.The total momentum of a system is the same at a later time as at an earlier time if there are no (check one) ? collisions between particles within the system. ? inelastic collis…

1.The typical interior wire in houses and commercial buildings is 12 gauge coppe

1.The typical interior wire in houses and commercial buildings is 12 gauge copper wire. 12 gauge wire has a diameter of 0.205 cm. The resistivity of copper is 1.72x10-8m. System u…

1.The upper frequency limit of a medium-frequency signal would be A. 30 kHz. C.

1.The upper frequency limit of a medium-frequency signal would be   A. 30 kHz. C. 3 MHz. B. 300 kHz. D. 30 MHz. 2. Intelligence is removed from the high-frequency carrier in a rec…

1.The war of the currents in the 1880\'s involved Thomas Edison and Nikola Tesla

1.The war of the currents in the 1880's involved Thomas Edison and Nikola Tesla on a reality TV show stranded on an island. Each had to construct a current generating device out o…

1.There is a block of wood frozen inside the block of ice. What happens to the w

1.There is a block of wood frozen inside the block of ice. What happens to the water level when all the ice melts? All we know is that the density of the wood is less than the den…

1.There is no friction on the pulley\'s axle; the cord does not slip on the pull

1.There is no friction on the pulley's axle; the cord does not slip on the pulley. What is the speed of the object after it has fallen a distance h = 0.7 m from rest: Use work - e…

1.Thermal positioner In an experiment, a small radioactive source must be moved

1.Thermal positioner In an experiment, a small radioactive source must be moved at extremely slow speeds. A positioning device based on thermal expansion was devised where the rad…

1.This problem deals with a cheetah dragging its kill up a small hill at constan

1.This problem deals with a cheetah dragging its kill up a small hill at constant speed. System = cheetah, ex-gazelle, air (CGA), hill, and earth. Reference position for height: z…

1.This problem is based on a patient standing on one limb. For the following set

1.This problem is based on a patient standing on one limb. For the following set of scenarios, determine: i. The torque that the abductor muscles must provide in order to maintain…

1.Three blocks of the same size and shape are placed in a tank of water. The mas

1.Three blocks of the same size and shape are placed in a tank of water. The masses of the blocks are unknown. Blocks A and B are suspended from strings attached to spring scales.…

1.Three identical conducting spheres initially have the following charges: spher

1.Three identical conducting spheres initially have the following charges: sphere A, 4Q; sphere B, 6Q; and sphere C, 0. Spheres A and B are fixed in place, with a center-to- cente…

1.Three particles are fixed in place on the x -axis. Particle 1 of charge q 1 is

1.Three particles are fixed in place on the x-axis. Particle 1 of charge q1 is at the coordinate x = ?a. Particle 2 of charge q2 is at x = +1.5a. (The signs of q1 and q2 are unkno…

1.Three point charges are on the x axis: q 1 = -6.0 A positively charged particl

1.Three point charges are on the x axis: q1 = -6.0 A positively charged particle is free to move in a region with an electric field E. Which statement(s) must be true? (a) The par…

1.Three resistors with resistances R1 = 8.0 ?, R2 = 83.0 ? and R3 = 16.0 ? are p

1.Three resistors with resistances R1 = 8.0 ?, R2 = 83.0 ? and R3 = 16.0 ? are placed along the sides of a triangle as shown in circuit 1. What are the values of the resistances R…

1.To get off a frozen, frictionless lake, a 68.7 -kg person takes off a 0.256 -k

1.To get off a frozen, frictionless lake, a 68.7-kg person takes off a 0.256-kg shoe and thows it horizontally directly away from the shore with a speed of 1.86 m/s. If the person…

1.To measure the closest distance of 72cm using laser ranging, the timing circui

1.To measure the closest distance of 72cm using laser ranging, the timing circuit should be able to resolve ____ time difference. Select one: a. 120 ns b. 240 ns c. 2.4 ns d. 1.2 …

1.True False As the wavelength of light hitting a single slit is decreased, the

1.True False As the wavelength of light hitting a single slit is decreased, the diffraction pattern observed on a screen will get narrower. 2.True False  When a diffraction gratin…

1.True or False? If light traveling in one medium strikes the surface of another

1.True or False? If light traveling in one medium strikes the surface of another medium in which it travels more slowly (i.e. a larger n), there is no phase change in the reflecte…

1.True or False? The time constant of an RC circuit tells us how much time it ta

1.True or False? The time constant of an RC circuit tells us how much time it takes for the circuit to charge or discharge by 50%. 2. Suppose I have a uniform magnetic field point…

1.True or False? The time constant of an RC circuit tells us how much time it ta

1.True or False? The time constant of an RC circuit tells us how much time it takes for the circuit to charge or discharge by 50%. 2. Suppose I have a uniform magnetic field point…

1.True or False? The wavelength of light changes when we pass between two materi

1.True or False? The wavelength of light changes when we pass between two materials with different indices of refraction. 2. We pass initially unpolarized light through a polarizi…

1.Two Liberty football players are running north down a football field in single

1.Two Liberty football players are running north down a football field in single file. If the first player is moving at 8 m/s and the second is running at 10 m/s, how fast and in …

1.Two billiard balls of identical mass move toward each other as shown in the fi

1.Two billiard balls of identical mass move toward each other as shown in the figure. Assume that the collision between them is perfectly elastic. If the initial velocities of the…

1.Two blocks each of mass m = 3.23 kg are fastened to the top of an elevator as

1.Two blocks each of mass m = 3.23 kg are fastened to the top of an elevator as in the figure. http://www.webassign.net/sercp9/4-p-021.gif (a) If the elevator has an upward accele…

1.Two bricks are made of the same material, but brick 1 has half the volume of b

1.Two bricks are made of the same material, but brick 1 has half the volume of brick 2. Tthe two bricks have initial temperature of T1=30 degree and T2=60 degree, respectively. Th…

1.Two capacitors of 5.00 mF and 10.00 mF are connected in series. The combinatio

1.Two capacitors of 5.00 mF and 10.00 mF are connected in series. The combination is then connected in parallel with a 10.0 V battery and a 10 mF capacitor. (a) what is the equiva…

1.Two capacitors of 5.00 mF and 10.00 mF are connected in series. The combinatio

1.Two capacitors of 5.00 mF and 10.00 mF are connected in series. The combination is then connected in parallel with a 10.0 V battery and a 10 mF capacitor. (a) what is the equiva…

1.Two capacitors, A and B, are cocected in series across the terminals of a capa

1.Two capacitors, A and B, are cocected in series across the terminals of a capacitancs are related by Ca -20s- Thei a. Their respective charges satisfy Q-2Q b. Their voltages sat…

1.Two charges, q1 = −3.00 mC and q2 = 4.50 mC, are located at −2.00 cm and 3

1.Two charges, q1 = −3.00 mC and q2 = 4.50 mC, are located at −2.00 cm and 3.00 cm on the x axis, respectively. What are the magnitude and direction of the resulting field at …

1.Two crates of mass m1 and mass m2 are connected by a rope that passes over a p

1.Two crates of mass m1 and mass m2 are connected by a rope that passes over a pulley (frictionless). Mass m1 is equal to 60 kg. What is the value of m2, if mass m1 accelerates do…

1.Two identical 100 resistors are joined together as shown in the figure below.

1.Two identical 100 resistors are joined together as shown in the figure below. (V = 8.5 V). What is the current through each when the switch S is closed? https://general.physics.…

1.Two identical capacitors are connected in parallel to an ac generator that has

1.Two identical capacitors are connected in parallel to an ac generator that has a frequency of 690 Hz and produces a voltage of 24 V. The current in the circuit is 0.6 A. What is…