Engineering analysis

1.) Suppose that two bicycles have equal overall mass, but one has thin lightwei

1.) Suppose that two bicycles have equal overall mass, but one has thin lightweight tires while the other has heavier tires made of the same material. Why is the bicycle with thin…

1.) Tank-killer rounds (fired by another tank) consist of a shell whose projecti

1.) Tank-killer rounds (fired by another tank) consist of a shell whose projectile is a long, slender (19.1 mm diameter by 31.2 cm long) rod of depleted uranium of density 18.7 g/…

1.) Tank-killer rounds (fired by another tank) consist of ashell whose projectil

1.) Tank-killer rounds (fired by another tank) consist of ashell whose projectile is a long, slender (20.3 mm diameter by 29.1 cm long) rod of depleted uranium of density18.7 g/cm…

1.) The Doppler effect takes on two forms: blueshift and redshift. Where do thes

1.) The Doppler effect takes on two forms: blueshift and redshift. Where do these names come from? How might it be possible to explain their sig- nificance in terms of an approach…

1.) The Earth can be approximated as a sphere of mass 6.0 x 10^24 kg and radius

1.) The Earth can be approximated as a sphere of mass 6.0 x 10^24 kg and radius of 6.4 x 10^6 m. What is the rotational inertia of the Earth? a.) 2.4 x 10^38 kg m2 b.) 1.2 x 10^38…

1.) The amazing \"Howard the Human Projectile\" is fired straight forward from a

1.) The amazing "Howard the Human Projectile" is fired straight forward from a 300 kg circus canon during a recent Ringling Bro. Barnum and Baily performance in Bel Alton. If Howa…

1.) The average resistivity of the human body (apart from surface resistance of

1.)           The average resistivity of the human body (apart from surface resistance of the skin) is about 5.0 ohm*m . The conducting path between the right and left hands can b…

1.) The index of refraction of water is 1.33. If you (or a fish) were under calm

1.) The index of refraction of water is 1.33. If you (or a fish) were under calm water swimming in the daytime, looking upward you would see a bright circle of light above you at …

1.) The lightbulb in the circuit diagram of (Figure 1) has a resistance of 0.90

1.) The lightbulb in the circuit diagram of (Figure 1) has a resistance of 0.90 ? . Consider the potential difference between pairs of points in the figure. Suppose that E = 3.5 V…

1.) The magnitude of the acceleration of point G, the center of the disk is 5 m/

1.) The magnitude of the acceleration of point G, the center of the disk is 5 m/s^2. The radius of the disk is 4 m and at the instant shown the angular speed of the disk is 2 rad/…

1.) The mass of the sun is 329 320 times that of the earth. The earth-sun separa

1.) The mass of the sun is 329 320 times that of the earth. The earth-sun separation measured from their centers is about 1.496 x10^11 m. Determine the location of the center of m…

1.) The position of a person is given by x= 4.0t -0.50t^2where x is in meters an

1.) The position of a person is given by x= 4.0t -0.50t^2where x is in meters and t is in seconds. what is the averagevelocity between t=0 and t=8.0s? Also between t=8.0s andt=10.…

1.) The rigid body illustrated in the diagram is executing a general planar moti

1.) The rigid body illustrated in the diagram is executing a general planar motion. The velocity of point A is [Va]=3n m/s, where n & OverBar; is a unit vector. The position v…

1.) The small spherical planet called \"Glob\" has a mass of 6.8e+18 kg and a ra

1.) The small spherical planet called "Glob" has a mass of 6.8e+18 kg and a radius of 62000 m. An astronaut on the surface of Glob throws a rock straight up. The rock reaches a ma…

1.) The sodium (Na) and Chlorine (CI) in a salt molecule are separated by the (f

1.) The sodium (Na) and Chlorine (CI) in a salt molecule are separated by the (fixed) distance lo = 5.6 × ×10-10m. The charges on the sodium and chlorine ions are QNa +1e and Qci-…

1.) The sodium (Na) and Chlorine (CI) in a salt molecule are separated by the (f

1.) The sodium (Na) and Chlorine (CI) in a salt molecule are separated by the (fixed) distance lo = 5.6 × ×10-10m. The charges on the sodium and chlorine ions are QNa +1e and Qci-…

1.) The sound of the note A3 on a piano has the frequency 220 Hz. Does this soun

1.) The sound of the note A3 on a piano has the frequency 220 Hz. Does this sound travel faster or slower than the sound created when the note A4 (440 Hz) is hit? 2.) A violin str…

1.) The speed of an electron is measured to within an uncertainty of 2.0x104 m/s

1.) The speed of an electron is measured to within an uncertainty of 2.0x104 m/s. In how large a region of space is the electron likely to be found? 2.)The star nearest to Earth i…

1.) The standard kilogram is a platinum-iridium cylinder 39.0mm in height and 39

1.) The standard kilogram is a platinum-iridium cylinder 39.0mm in height and 39.0mm in diameter. What is the density of the material? 2.) A major motor company displays a die-cas…

1.) The switch has been open for a long time when at time t = 0, the switch is c

1.) The switch has been open for a long time when at time t = 0, the switch is closed. What is I4(0), the magnitude of the current through the resistor R4 just after the switch is…

1.) The train on a roller coaster ride experiences a 42.0-kN normal force at the

1.) The train on a roller coaster ride experiences a 42.0-kN normal force at the bottom of a smooth circular, vertical loop. Take the mass of the train and passengers to be 600kg.…

1.) The unit of sound intensity level is the a.) Hz b.) W c.) dB d.) W/m^2 e.) l

1.) The unit of sound intensity level is the a.) Hz b.) W c.) dB d.) W/m^2 e.) lb 2.) As you are standing on the sidewalk, a loudspeaker on the roof of a car driving away from you…

1.) The velocity of a car as a function of time is given byv=Bt-Ct^2, where B=6.

1.) The velocity of a car as a function of time is given byv=Bt-Ct^2, where B=6.0 m/s^2 and C=2.0 m/s^3. At what time is thevelocity zero? At what time is the acceleration zero? S…

1.) Three charged particles are placed on a line like in the figure. Determine t

1.) Three charged particles are placed on a line like in the figure. Determine the magnitude and direction of the net force acting on the Q1=50 ?C due to the other two particles. …

1.) Three charges are fixed to an xy coordinate system. A charge of +19C is on t

1.) Three charges are fixed to an xy coordinate system. A charge of +19C is on the y axis at y = +3.5 m. A charge of -17C is at the origin. Lastly, a charge of +58C is on the x ax…

1.) Three charges, each of magnitude 5 nC, are at separate corners of a square o

1.) Three charges, each of magnitude 5 nC, are at separate corners of a square of edge length 7 cm. The two charges at opposite corners are positive, and the other charge is negat…

1.) Three charges, each of magnitude 5 nC, are at separate corners of a square o

1.) Three charges, each of magnitude 5 nC, are at separate corners of a square of edge length 7 cm. The two charges at opposite corners are positive, and the other charge is negat…

1.) Three polarizing plates whose planes are parallel are centered on a common a

1.) Three polarizing plates whose planes are parallel are centered on a common axis. The directions of the transmission axes relative to the common vertical direction are shown in…

1.) Three resistors connected in parallel have the individual voltages labeled d

1.) Three resistors connected in parallel have the individual voltages labeled delta V1, delta V2, and delta V3 respectively. Which of the following expresses the total voltage de…

1.) Throw a tennis ball or baseball for distance: a. standing still, facing in t

1.) Throw a tennis ball or baseball for distance: a. standing still, facing in the direction of the throw. b. standing with the left side toward the direction of the throw, with t…

1.) Time of flight (hint—you have to use vertical equations) SHOW ALL WORK! 2.)

1.) Time of flight (hint—you have to use vertical equations) SHOW ALL WORK! 2.) Horizontal velocity You shoot a nerf dart directly horizontal into the air at a comfortable arm pos…

1.) Time of flight (hint—you have to use vertical equations) SHOW ALL WORK! 2.)

1.) Time of flight (hint—you have to use vertical equations) SHOW ALL WORK! 2.) Horizontal velocity You shoot a nerf dart directly horizontal into the air at a comfortable arm pos…

1.) To Calculate the efficiency of an electric motor used to raise an object, wr

1.) To Calculate the efficiency of an electric motor used to raise an object, write a MATLAB program that will allow the user to type the power in watts, the mass of the object in…

1.) To one decimal place, what is the best approximation to the electric field m

1.) To one decimal place, what is the best approximation to the electric field magnitude in V/cm at point g? 2.) To one decimal place, what is the best approximation to the electr…

1.) To one decimal place, what is the best approximation to the electric field m

1.) To one decimal place, what is the best approximation to the electric field magnitude in V/cm at point g? 2.) To one decimal place, what is the best approximation to the electr…

1.) Try out the following home experiment: take two similar strips of tape and s

1.) Try out the following home experiment: take two similar strips of tape and stick them onto a smooth surface (like a smooth wooden table). You expect that when you pull the str…

1.) Two blocks are at rest on a horizontal friction-less surface with a compress

1.) Two blocks are at rest on a horizontal friction-less surface with a compressed spring between them. The 10-kg block accelerates when the string holding the system in compressi…

1.) Two blocks are sliding along a frictionless track. Block A (mass 4.81 kg) is

1.) Two blocks are sliding along a frictionless track. Block A (mass 4.81 kg) is moving to the right at 2.40 m/s. Block B (mass 5.77 kg) is moving to the left at 2.88 m/s. Assume …

1.) Two charges, q 1 = -16.5 C and q 2 = 13.5 C , are located at (x,y) = (12.4,

1.) Two charges, q1 = -16.5 C and q2 = 13.5 C , are located at (x,y) = (12.4, 21.2) cm and (19.6, 24.0) cm respectively. Find the electrostatic force between these two changes (ta…

1.) Two coupled inductors, L 1 =20 H and L 2 =45 H, have the coupling coefficien

1.) Two coupled inductors, L1=20 H and L2=45 H, have the coupling coefficient of 0.9. What is the value of mutual inductance, M? A.) 33.33 H B.) 30 H C.) 27 H D.) 32.5 H HINT: 30 …

1.) Two positively charged particles are separated by a distance r. Which of the

1.) Two positively charged particles are separated by a distance r. Which of the following statements concerning the electrostatic force between acting on each particle due to the…

1.) Two resistors, 40.0 and 30.0 , are connected in parallel. The current throug

1.) Two resistors, 40.0 and 30.0 , are connected in parallel. The current through the second resistor is 4.50 A. (a) Determine the current in the first resistor? ________A - - - -…

1.) Two solenoids are used to produce a magnetic field across a cathode-ray tube

1.) Two solenoids are used to produce a magnetic field across a cathode-ray tube . Each coil has N=1000 turns, is L=0.07m long, has radius r=0.06m, and carries current I=1.4A. The…

1.) Two springs are attached to two hooks. Spring A has a greater force constant

1.) Two springs are attached to two hooks. Spring A has a greater force constant than spring B. Equal weights are suspended from both. Which of the following statements is true? A…

1.) Two stars are photographed utilizing a telescope with a circular aperture of

1.) Two stars are photographed utilizing a telescope with a circular aperture of diameter of 2.38 m and light with a wavelength of 491 nm. If both stars are 10^22 m from us, what …

1.) Two tiny conducting spheres are identical and carry charges of -20.2 µC and

1.) Two tiny conducting spheres are identical and carry charges of -20.2 µC and +49.5 µC. They are separated by a distance of 2.61 cm. (a) What is the magnitude of the force that …

1.) Under the AIA form contracts include an affirmative duty for the prime contr

1.) Under the AIA form contracts include an affirmative duty for the prime contractor to initiate, maintain and supervise all safety programs.             Agree                   …

1.) Use Snell\'s law to find the angle that a beam of light makes with the norma

1.) Use Snell's law to find the angle that a beam of light makes with the normal to a class surface, entering from air with angle 79 in degrees, after it refracts and is traveling…

1.) Use the exact values you enter to make later calculations. Part A A group of

1.) Use the exact values you enter to make later calculations. Part A A group of students performed the same "Ohm's Law" experiment that you did in class. They obtained the follow…

1.) Using this image of a DC current, answer the following questions. A.) Which

1.) Using this image of a DC current, answer the following questions. A.) Which resisters would you consider to be parallel and which would you consider to be in series? B.) Find …