Engineering analysis

1. Transformers A and B step change the voltage between 3 circuits. Transformer

1.     Transformers A and B step change the voltage between 3 circuits. Transformer A connects circuits 1 and 2. Transformer B connects circuits 2 and 3. The voltage in circuit 1,…

1. Transformers are used in many different electronic products, such as in print

1. Transformers are used in many different electronic products, such as in printers, speakers, clock radios, and chargers for lap tops and cell phones. For example, the transforme…

1. Trial 1: Metal disk a) Set the string aside, we will not be using it for the

1. Trial 1: Metal disk a) Set the string aside, we will not be using it for the rest of the experiment. b) There is a disk attached to the system with a set screw holding it in pl…

1. True or False (3 points each) A 4\' x 4\' area (footing) and a 6\' x 6\' area

1. True or False (3 points each) A 4' x 4' area (footing) and a 6' x 6' area each apply a stress of 1000psf to the soil. The increase in vertical stress at a given depth z below t…

1. True or False Charging a parallelplate capacitor requires no work provided th

1. True or False    Charging a parallelplate capacitor requires no work provided the charges placed on thetwo plates are equal and opposite.   Explain yourresponse. 2. Capacitance…

1. True or False. Indicate whether you believe the statement is true or not. T F

1. True or False. Indicate whether you believe the statement is true or not. T F The centroid for an area may not lie within the area itself but T F Coefficients of static frictio…

1. True or False. Indicate whether you believe the statement is true or not. T F

1. True or False. Indicate whether you believe the statement is true or not. T F The centroid for an area may not lie within the area itself but T F Coefficients of static frictio…

1. True or False. Indicate whether you believe the statement is true or not. T F

1. True or False. Indicate whether you believe the statement is true or not. T F The centroid for an area may not lie within the area itself but T F Coefficients of static frictio…

1. True or False. Indicate whether you believe the statement is true or not. T F

1. True or False. Indicate whether you believe the statement is true or not. T F The centroid for an area may not lie within the area itself but T F Coefficients of static frictio…

1. True or False? - Hot-working steel by rolling structural shapes at 1000 deg.C

1. True or False? - Hot-working steel by rolling structural shapes at 1000 deg.C will cause great deformations in the grain structure, but this is generally relieved by leaving be…

1. True or False? The induced EMF due to a changing magnetic flux creates a new

1.True or False? The induced EMF due to a changing magnetic flux creates a new magnetic field that resists the changing magnetic flux. 2.True or False? Magnetic flux does depend o…

1. True or false. The PWM waveform of desired duty cycle is generated through se

1. True or false. The PWM waveform of desired duty cycle is generated through setting up the hardware and will not slow down other works of the processor. Answer: 2. True or false…

1. True r False (circle choice). Newton\'s First Law explains cars sliding on \"

1. True r False (circle choice). Newton's First Law explains cars sliding on "black ice 2. True or falselcircle choice). An automobile's tires on the pavement is an example of New…

1. Two 0.1 kg-masses are connected to a linear spring on a frictionless table. T

1. Two 0.1 kg-masses are connected to a linear spring on a frictionless table. The center of mass of the 2-particle system is stationary. At the instant shown, the velocity is v¯1…

1. Two 0.1 kg-masses are connected to a linear spring on a frictionless table. T

1. Two 0.1 kg-masses are connected to a linear spring on a frictionless table. The center of mass of the 2-particle system is stationary. At the instant shown, the velocity is v¯1…

1. Two 1.5 V cells are connected in series to a bulb with a resistance of 6 . If

1. Two 1.5 V cells are connected in series to a bulb with a resistance of 6 . If the current through the circuit is 0.47 A, what is the internal resistance of each cell (assume th…

1. Two 10.0-cm-diameter electrodes 0.5 cm apart form a parallel-plate capacitor.

1. Two 10.0-cm-diameter electrodes 0.5 cm apart form a parallel-plate capacitor. The electrodes are attached by metal wires to the terminals of a 15 V battery. Calculate the charg…

1. Two Ping-Pong balls each have a mass of 2.7 gand carry a net charge of 0.500

1. Two Ping-Pong balls each have a mass of 2.7 gand carry a net charge of 0.500 C . One ball is held fixed. How far apart are they now? 2. Two small charged balls have a repulsive…

1. Two aluminum rods A and B are such that rod A has twice the length of rod B w

1. Two aluminum rods A and B are such that rod A has twice the length of rod B when they are at the same temperature. They are heated such that rod B experiences twice as great an…

1. Two automobiles of equal mass approach an intersection. One vehicle is travel

1. Two automobiles of equal mass approach an intersection. One vehicle is traveling with velocity 12.0 m/s toward the east and the other is traveling north with speed v2i. Neither…

1. Two automobiles of equal mass approach an intersection. One vehicle is travel

1. Two automobiles of equal mass approach an intersection. One vehicle is traveling with velocity 12.0 m/s toward the east and the other is traveling north with speed v2i. Neither…

1. Two balls are shot with the same initial velocity - one is shot horizontally

1. Two balls are shot with the same initial velocity - one is shot horizontally and the other is shot at an angle of 10 degrees above the horizontal. Which ball goes further? Expl…

1. Two balls each having a charge of +12uC are 8 cm apart. The electric force is

1. Two balls each having a charge of +12uC are 8 cm apart. The electric force is approximately_? a. 0.02 N b. 40N c. 404N d. 202N 2.Consider a circuit where a voltage supply poten…

1. Two balls, one larger than theother, roll without slipping across a horizonta

1.  Two balls, one larger than theother, roll without slipping across a horizontal floor with thesame center of mass velocity. The ball with the larger radius hasthe larger magnit…

1. Two bars of identical mass are at 27 °C. One is made from glass and the other

1. Two bars of identical mass are at 27 °C. One is made from glass and the other from another substance. The specific heat capacity of glass is 840 J/(kg · C°). When identical amo…

1. Two beams have the same cross-sectional area d and length L. Beam A is made o

1. Two beams have the same cross-sectional area d and length L. Beam A is made of material with the density ?A = 3.0 kg/m3 and beam B is made of material with density ?B = 1.0 kg/…

1. Two blades of grass are growing straight upward. They are parallel, with thei

1.     Two blades of grass are growing straight upward. They are parallel, with their broadest surfaces facing each other.  These surfaces look like long rectangles.  The width of…

1. Two blocks are connected by a light string that passes over two frictionless

1. Two blocks are connected by a light string that passes over two frictionless pulleys as in the figure below. The block of mass m2 is attached to a spring of force constant k an…

1. Two blocks are sliding along a frictionless track. Block A (mass 3.75 kg) is

1. Two blocks are sliding along a frictionless track. Block A (mass 3.75 kg) is moving to the right at 2.70 m/s. Block B (mass 4.50 kg) is moving to the left at 3.24 m/s. Assume t…

1. Two blocks of masses m and 2 m are held in equilibrium on a frictionless incl

1. Two blocks of masses m and 2m are held in equilibrium on a frictionless incline as in the figure. In terms of m and , find the following. (Use any variable or symbol stated abo…

1. Two blocks of masses m1=4.00 kg and m2=8.00 kg are eachreleased from rest at

1. Two blocks of masses m1=4.00 kg and m2=8.00 kg are eachreleased from rest at a height of 5.00 m on a frictionless track,and undergo an elastic head-on collision. a) Draw a pict…

1. Two books of mass (1 kg each) are kept at a distance of 1m apart and when the

1. Two books of mass (1 kg each) are kept at a distance of 1m apart and when they are dropped from a heaight of 10m, it is noticed that they hit the ground at the same time althou…

1. Two cars are traveling along a straight line in the same direction, the lead

1. Two cars are traveling along a straight line in the same direction, the lead car at 24.0m/s and the other car at 29.3m/s. At the moment the cars are 38.3m apart, the lead drive…

1. Two cars collide at an icy intersection and stick together afterward. The fir

1. Two cars collide at an icy intersection and stick together afterward. The first car has a mass of 1400 kg and was approaching at 9.00 m/s due south. The second car has a mass o…

1. Two cars drive on a straight highway. At time t- 0, car 1 passes mile marker

1. Two cars drive on a straight highway. At time t- 0, car 1 passes mile marker 0 traveling due east with a speed of 24.0 m/s. At the same time, car 2 is 1.3 km east of mile marke…

1. Two charged rods, each with net charge-O... are held in place as below are he

1. Two charged rods, each with net charge-O... are held in place as below are held in place as shown in the top view diagram a. A small test charge q travels from point X to point…

1. Two charges of 6 × 109 C and 2.1 × 109 C are separated by a distance of 42 cm

1. Two charges of 6 × 109 C and 2.1 × 109 C are separated by a distance of 42 cm. Find the equilibrium position for a third charge of +1.2 × 108 C by identifying its distance from…

1. Two charges, one is 3 nC and another one is 21 nC are separated by 1 m distan

1. Two charges, one is 3 nC and another one is 21 nC are separated by 1 m distance. Calculate distance from the smaller charge where electric field will be zero. 2. How many elect…

1. Two children playing on a frictionless garden gate invent a new game called \

1. Two children playing on a frictionless garden gate invent a new game called "gate". The idea is that they will get on opposite sides of the gate and each push such that the gat…

1. Two children with same mass in a merry-go-round are at different distance fro

1. Two children with same mass in a merry-go-round are at different distance from the center, Child A closer than B. a) which one has higher tangential speed? b) which one takes l…

1. Two children with same mass in a merry-go-round are at different distance fro

1. Two children with same mass in a merry-go-round are at different distance from the center, Child A closer than B. a) which one has higher tangential speed? b) which one takes l…

1. Two converging lenses are separated by 23.00 cm. The focal length of each len

1. Two converging lenses are separated by 23.00 cm. The focal length of each lens is 11.60 cm. An object is placed 36.80 cm to the left of the lens that is on the left. Determine …

1. Two converging lenses with focal lengths of f 1 = 2.00 cm and f 2 = 5.00 cm a

1.      Two converging lenses with focal lengths of f1 = 2.00 cm and f2 = 5.00 cm are situated 14.0 cm apart on a long optics bench. A 1.00 cm high object is placed 3.00 cm from t…

1. Two crates, one with a mass of m1 and the other with a mass of m2, are connec

1. Two crates, one with a mass of m1 and the other with a mass of m2, are connected by a rope that passes over a pullley (frictionless). M1 is equal to 60 kg. So, if M1 accelerate…

1. Two cylinders with the same mass density r C = 713 kg / m 3 are floating in a

1. Two cylinders with the same mass density rC = 713 kg / m3 are floating in a container of water (with mass density rW = 1025 kg / m3). Cylinder #1 has a length of L1 = 20 cm and…

1. Two cylinders with the same mass density r C = 713 kg / m 3 are floating in a

1. Two cylinders with the same mass density rC = 713 kg / m3 are floating in a container of water (with mass density rW = 1025 kg / m3). Cylinder #1 has a length of L1 = 20 cm and…

1. Two devices that can be used to breakdown a spectrum into its components are

1. Two devices that can be used to breakdown a spectrum into its components are the a. telescope and microscope b. telescope and prism c. diffraction grating and microscope d. pri…

1. Two different R resistors in parallel always have the same ____________; two

1. Two different R resistors in parallel always have the same ____________; two resistors in series always have the same ______________. A) voltage drop, voltage drop B) voltage d…

1. Two displacement vectors have magnitudes of 5.0 m and 7.0 m, respectively. Wh

1. Two displacement vectors have magnitudes of 5.0 m and 7.0 m, respectively. When these two vectors are added, the magnitude of the sum A) is 12 m. B) is larger than 12 m. C) cou…

1. Two electric charges placed a certain distance away from each other feel an e

1. Two electric charges placed a certain distance away from each other feel an electrical force (the "old force".) The charges are then moved apart so that they are five times the…