Engineering analysis

003 10.0 points A circular coil enclosing an area of 80.8 cm2 is made of 235 tur

003 10.0 points A circular coil enclosing an area of 80.8 cm2 is made of 235 turns of copper wire as shown schematically in the figure. Initially, a 1.12 T uniform magnetic field …

003 10.0 points A uniform 140 g rod with length 54 cm rotates in a horizontal pl

003 10.0 points A uniform 140 g rod with length 54 cm rotates in a horizontal plane about a fixed, vertical, frictionless pin through its center. Two small 40 g beads are mounted …

003 10.0 points What is the basic reason a real heat engine has an efficiency th

003 10.0 points What is the basic reason a real heat engine has an efficiency that is much less than the Carnot efficiency? 1. Carnot engines operate between a hot and cold region…

004 (part 1 of 2) 10.0 points A circular swimming pool has a flat bottom and an

004 (part 1 of 2) 10.0 points A circular swimming pool has a flat bottom and an 8.44 m diameter. It is filled with water to a depth of 2.38 m. There is 0.583 atm of pressure on th…

004 (part 1 of 3) 10.0 points A device (\"source\") emits a bunch of charged ion

004 (part 1 of 3) 10.0 points A device ("source") emits a bunch of charged ions (particles) with a range of ve- locities (see figure). Some of these ions pass through the left sli…

004 (part 1 of 3) 10.0 points A floodlight with a mass of 26 kg is used to illum

004 (part 1 of 3) 10.0 points A floodlight with a mass of 26 kg is used to illuminate the parking lot in front of a library. The floodlight is supported at the end of a horizontal…

004 (part 1 of 3) 10.0 points A rectangular loop of copper wire of re- sistance

004 (part 1 of 3) 10.0 points A rectangular loop of copper wire of re- sistance R has width a and length b. The loop is stationary in a constant, uniform mag- netic field Bo, dire…

004 (part 1 of 3) 10.0 points A rectangular loop of copper wire of re- sistance

004 (part 1 of 3) 10.0 points A rectangular loop of copper wire of re- sistance R has width a and length b. The loop is stationary in a constant, uniform mag- netic field Bo, dire…

004 (part 1 of 3) 10.0 points A step-down transformer s sed for recharg- ing the

004 (part 1 of 3) 10.0 points A step-down transformer s sed for recharg- ing the batteries of portable devices such as tape players. The turns ratio inside the trans former is 141…

004 10.0 points A fireman, 56.4 m away from a burning building, directs a stream

004 10.0 points A fireman, 56.4 m away from a burning building, directs a stream jet of water from a ground level fire hose at an angle of 40.1° above the horizontal. Ch 3 2D Moti…

005 (part 1 of 2) 10.0 points Consider four vectors F1, F2, F3, and F4 with magn

005 (part 1 of 2) 10.0 points Consider four vectors F1, F2, F3, and F4 with magnitudes F1 = 32 N, F2 = 26 N, F3 = 22 N, and F4 = 49 N, theta1 = 150 degree, theta2 = -150 degree, t…

005 (part 1 of 3) 10.0 points The magnetic field over a certain range is given b

005 (part 1 of 3) 10.0 points The magnetic field over a certain range is given by B~ = Bx ˆ + By ˆ, where Bx = 4 T and By = 2 T. An electron moves into the field with a velocity ~…

005 (part 1 of 3) 10.0 points The magnetic field over a certain range is given b

005 (part 1 of 3) 10.0 points The magnetic field over a certain range is given by B-Bi+ Byj, where Bx -2 T and B, -7 T. An electron moves into the field with a velocity Uitvyj+vx …

005 10.0 points A uniform electric ficld of magnitude 5.89 x 105 V/m throughout

005 10.0 points A uniform electric ficld of magnitude 5.89 x 105 V/m throughout a cylindrical volume re- sults in a total energy of 3.62 . What magnetic field over this same regio…

005 10.0 points In the arrangement shown in the figure, the resistor is 7 ? and

005 10.0 points In the arrangement shown in the figure, the resistor is 7 ? and a 5 T magnetic field is directed into the paper. The separation between the rails is 1 m. An applie…

005 10.0 polnts A particle of muss 1.1288 × 10-25 kgand charge of 3.2 x 10 C is

005 10.0 polnts A particle of muss 1.1288 × 10-25 kgand charge of 3.2 x 10 C is accelerated from rest in the plane of the page through a po tential difference of 287 V betweenm tw…

006 (part 1 of 2) 10.0 points A 1.2 C point charge is on the z-axis at 2.9 m, an

006 (part 1 of 2) 10.0 points A 1.2 C point charge is on the z-axis at 2.9 m, and a 4.3 C point charge is on the r-axis at 4.5 m Find the magnitude of the net electric field at th…

006 (part 1 of 2) 10.0 points A capacitor is constructed from two square metal p

006 (part 1 of 2) 10.0 points A capacitor is constructed from two square metal plates. A dielectric K = 208 fills the upper half of the capacitor and a dielectric K = 9.8 fills th…

006 (part 1 of 2) 10.0 points Suppose the speed of light were 100 mph. Trains on

006 (part 1 of 2) 10.0 points Suppose the speed of light were 100 mph. Trains on parallel tracks are approaching each other at speeds of 90 mph and 84.92 mph. A person on one of t…

006 10.0 points A double -slit interference experiment is per- formed with light

006 10.0 points A double -slit interference experiment is per- formed with light from a laser. The separa- tion between the slits is 0.50 mm, and the first -order maximum of the i…

006 10.0 points A wire with a weight per unit length of 0.071 N/m is suspended d

006 10.0 points A wire with a weight per unit length of 0.071 N/m is suspended directly above a sec- ond wire. The top wire carries a current of 72.8 A, and the bottom wire carrie…

006 10.0 points Radio and TV transmissions are being emit- ted into space, so St

006 10.0 points Radio and TV transmissions are being emit- ted into space, so Star Thek episodes are streaming out into the universe. The near- est star is 2 x 1017 m meters away.…

006 A 0.97 kg rock is projected from the edge of the top of a building with an i

006 A 0.97 kg rock is projected from the edge of the top of a building with an initial velocity of 8.42 m/s at an angle 41° above the horizontal. Due to gravity, the rock strikes …

007 (part 1 of 2) 10.0 points A 0.4 kg bead slides on a curved wire, starting fr

007 (part 1 of 2) 10.0 points A 0.4 kg bead slides on a curved wire, starting from rest at point A as shown in the figure. The segment from A to B is frictionless, and the segment…

007 (part 1 of 2) 10.0 points A light, inextensible cord passes over a light, fr

007 (part 1 of 2) 10.0 points A light, inextensible cord passes over a light, frictionless pulley with a radius of 7.2 cm It has a(n) 16 kg mass on the left and a(n) 6.7 kg mass o…

007 (part 1 of 2) 10.0 points Consider an LC circuit in which the in- ductance i

007 (part 1 of 2) 10.0 points Consider an LC circuit in which the in- ductance is 556 mH and the capacitance is 0.08 F. What is the resonant angular frequency? Answer in units of …

007 (part 1 of 2) A car of mass 691 kg travels around a flat, circular race trac

007 (part 1 of 2) A car of mass 691 kg travels around a flat, circular race track of radius 143 m. The coefficient of static friction between the wheels and the track is 0.186. Th…

007 (part 1 of 3) 10.0 points 008 (part 2 of 3) 10.0 points A long, cylindrical

007 (part 1 of 3) 10.0 points 008 (part 2 of 3) 10.0 points A long, cylindrical wire of radius 1 mm What is the magnetic field inside the wire a 10 2 r is made of a material of re…

007 (part 1 of 3) 10.0 points A 16 kg mass is attached to a cord that is wrapped

007 (part 1 of 3) 10.0 points A 16 kg mass is attached to a cord that is wrapped around a wheel with a radius of 10.7 cm, as shown. The acceleration of the mass down the frictionl…

007 (part 1 of 3) 10.0 points A block is pushed against the spring with spring c

007 (part 1 of 3) 10.0 points A block is pushed against the spring with spring constant 10 kN/m (located on the left- hand side of the track) and compresses the spring a distance …

007 (part 1 of 3) 10.0 points A block is pushed against the spring with spring c

007 (part 1 of 3) 10.0 points A block is pushed against the spring with spring constant 6.5 kN/m (located on the left- hand side of the track) and compresses the spring a distance…

007 (part 1 of 3) 10.0 points A block is pushed against the spring with spring c

007 (part 1 of 3) 10.0 points A block is pushed against the spring with spring constant 6.5 kN/m (located on the left- hand side of the track) and compresses the spring a distance…

007 (part 1 of 3) 10.0 points An Alaskan rescue plane traveling 36 m/s drops a p

007 (part 1 of 3) 10.0 points An Alaskan rescue plane traveling 36 m/s drops a package of emergency rations from a height of 162 m to a stranded party of explorers he acceleration…

007 (part 1 of 3) 10.0 points Cherenkov radiation takes place when an electron t

007 (part 1 of 3) 10.0 points Cherenkov radiation takes place when an electron travels faster than the speed of light in a medium. This is a relativistic analogy of a sonic boom. …

007 (part 1 of 4) 10.0 points An object with a resistance of 10 2 has 120 V appl

007 (part 1 of 4) 10.0 points An object with a resistance of 10 2 has 120 V applied to it. How much electric current is going through this object? Answer in units of amps. 008 (pa…

007 (part 1 of 4) 10.0 points An object with a resistance of 10 2 has 120 V appl

007 (part 1 of 4) 10.0 points An object with a resistance of 10 2 has 120 V applied to it. How much electric current is going through this object? Answer in units of amps. 008 (pa…

007 (part 1 of 4) 10.0 points An object with a resistance of 17 has 130 V applie

007 (part 1 of 4) 10.0 points An object with a resistance of 17 has 130 V applied to it. How much electric current is going through this object? Answer in units of amps. 008 (part…

007 (part 1 of 4) An object is placed 24.5 cm in front of a convex mirror of foc

007 (part 1 of 4) An object is placed 24.5 cm in front of a convex mirror of focal length 50 cm. Note: Do convex mirrors have a positive or negative focal length? What is its imag…

007 (part 2 of 2) 10.0 points This print-out should have 13 questions. Multiple-

007 (part 2 of 2) 10.0 points This print-out should have 13 questions. Multiple-choice questions may continue on If a 1050 N man holds the rifle firmly against the next column or …

007 10.0 points The bellows of an adjustable camera can be extended so that the

007 10.0 points The bellows of an adjustable camera can be extended so that the largest distance from the lens to the film is 1.61 times the focal length. If the focal length of t…

007 10.0 points Two alpha particles (helium nuclei), each consisting of two prot

007 10.0 points Two alpha particles (helium nuclei), each consisting of two protons and two neu- trons, have an electrical potential energy of 6.49×1019 J. What is the distance be…

008 (part 1 of 2) 10.0 points A bullet of mass 6 g moving with an initial speed

008 (part 1 of 2) 10.0 points A bullet of mass 6 g moving with an initial speed 500 m/s is fired into and passes through a block of mass 8 kg, as shown in the figure. The block, i…

008 (part 1 of 3) 10.0 points A block of mass 421 g is pushed against the spring

008 (part 1 of 3) 10.0 points A block of mass 421 g is pushed against the spring (located on the left-hand side of the track) and compresses the spring a distance 4.7 cm from its …

008 (part 1 of 3) 10.0 points A block of mass 421 g is pushed against the spring

008 (part 1 of 3) 10.0 points A block of mass 421 g is pushed against the spring (located on the left-hand side of the track) and compresses the spring a distance 4.7 cm from its …

008 (part 1 of 3) 10.0 points A ladder with a length of 12.0 m and weight of 515

008 (part 1 of 3) 10.0 points A ladder with a length of 12.0 m and weight of 515.0 N rests against a frictionless wall, making an angle of 60.0 with the horizontal. Find the horiz…

008 (part 1 of 3) 10.0 points A spacecraft of 71 kg mass is a circular orbit abo

008 (part 1 of 3) 10.0 points A spacecraft of 71 kg mass is a circular orbit about the earth at a height of 2.4 RE. the radius of the earth is 6.33 × 100 m. about the earth? The a…

008 (part 1 of 3) 10.0 points An alpha particle has a mass of 6.06 × 10 27 kg an

008 (part 1 of 3) 10.0 points An alpha particle has a mass of 6.06 × 10 27 kg and bears a double elemen- tary positive charge. Such a particle is ob- served to move through a 4.5T…

008 (part 1 of 3) 10.0 points An alpha particle has a mass of 7.14 × 1027 kg and

008 (part 1 of 3) 10.0 points An alpha particle has a mass of 7.14 × 1027 kg and bears a double elemen- tary positive charge. Such a particle is ob- served to move through a 2.3 T…

008 10.0 points A cylindrical cistern, constructed below ground level, is 2.8 m

008 10.0 points A cylindrical cistern, constructed below ground level, is 2.8 m in diameter and 2 m deep and is filled to the brim with a liquid whose index of refraction is 1.6. …

009 10.0 points A cylinder 19 cm long and 8 cm in radius is made of two differen

009 10.0 points A cylinder 19 cm long and 8 cm in radius is made of two different metals bonded end-to end to make a single bar. The densities are 4.9 g/cm3 and 6.1 g/cm 8 cm radi…