Engineering analysis

1. A virtual image formed by a concave mirror is always enlarged. 2. When an obj

1. A virtual image formed by a concave mirror is always enlarged. 2. When an object is placed between a concave mirror and its focal point, the image is virtual. 3. A concave mirr…

1. A washer is a ring of inner diameter 0.500 cm and outer diameter 0.750 cm at

1. A washer is a ring of inner diameter 0.500 cm and outer diameter 0.750 cm at room temperature, made of aluminum. At what temperature will the ring pass over a bolt of outer dia…

1. A washer is a ring of inner diameter 0.500 cm and outer diameter 0.750 cm at

1. A washer is a ring of inner diameter 0.500 cm and outer diameter 0.750 cm at room temperature, made of aluminum. At what temperature will the ring pass over a bolt of outer dia…

1. A water skier whose mass is 70 kg has an initial speed of40m/s. Later on, the

1. A water skier whose mass is 70 kg has an initial speed of40m/s. Later on, the speed of the skier is 67.0 m/s. a.How much work was done by the net force acting on theskier? b. C…

1. A water slide is constructed so that swimmers, starting from rest at the top

1. A water slide is constructed so that swimmers, starting from rest at the top of the slide, leave the end of the slide traveling horizontally. As the drawing shows, one person h…

1. A water slide is constructed so that swimmers, starting from rest at the top

1. A water slide is constructed so that swimmers, starting from rest at the top of the slide, leave the end of the slide traveling horizontally. As the drawing shows, one person h…

1. A wave has a frequency of 410 Hz and a wavelength of 0.80 m. What is its spee

1.A wave has a frequency of 410 Hz and a wavelength of 0.80 m. What is its speed? 2.A merry-go-round has a frequency of 0.05 Hz. What is its period in seconds? 3.A mass is attache…

1. A wave that is diffracted can A. Alter the frequency of the wave. B. Bend aro

1. A wave that is diffracted can A. Alter the frequency of the wave. B. Bend around edges of materials. 2. Polaroid sunglasses block out light by selective A. Absorption. B. Inter…

1. A wave traveling along the x axis is described mathematically by the equation

1. A wave traveling along the x axis is described mathematically by the equation y = 0.17sin(2.7t + 0.55x), where y is the displacement (in meters), t is in seconds, and x is in m…

1. A waveform generator has been setup with a square wave output at 2.5kHz with

1. A waveform generator has been setup with a square wave output at 2.5kHz with a 84% duty cycle.  If the peak-to-peak output amplitude has been set to 2.0V,  with an offset of 3.…

1. A waveform generator is connected to an op-amp which has been setup as a volt

1. A waveform generator is connected to an op-amp which has been setup as a voltage follower.  The voltage follower is then loaded with a 50 Ohm resistor.  What output impedance s…

1. A weight lifter lifts a 490-N set of weight from the ground level to a positi

1. A weight lifter lifts a 490-N set of weight from the ground level to a position over his head, a vertical distance of 2.00 m. How much work does the weight lifter do, assuming …

1. A well-calibrated version of the Tully-Fisher (TF) relationshipcan be express

1. A well-calibrated version of the Tully-Fisher (TF) relationshipcan be expressed as M1-1996-811 logo (200 km s-1 ), where Mi is the galaxy's I-band absolute magnitude and W, its…

1. A wheel lug nut wrench such as the one pictured below is needed. The wrench m

1. A wheel lug nut wrench such as the one pictured below is needed. The wrench may be made of any of the materials listed in the table. Choose the appropriate material performance…

1. A wheel turns through 40 revs as it slows from an angular speed of 1.5 rad/s

1. A wheel turns through 40 revs as it slows from an angular speed of 1.5 rad/s to a stop. A.) assuming a constant angular acceleration, find the time for it to come to a rest. B.…

1. A wheel with a 0.12 m radius is rotating at 37 rev/s. It then slows uniformly

1. A wheel with a 0.12 m radius is rotating at 37 rev/s. It then slows uniformly to 13 rev/s over a 2.8 s interval. What is the angular acceleration of a point on the wheel? 2.A g…

1. A wheel with a rotational inertia of 5.0 kg m 2 is rotating in a horizontal p

1. A wheel with a rotational inertia of 5.0 kg m2 is rotating in a horizontal plane at 600 rev/min. A rim brake exerts a torque of 500 Nm on the inside rim of the wheel. Find the …

1. A window washer is standing on a scaffold supported by a vertical rope at eac

1. A window washer is standing on a scaffold supported by a vertical rope at each end. The scaffold weighs 194 N and is 3.2 m long. What is the tension in each rope when the 690–N…

1. A wire 10 cm long carries 2 amperes of current through an area with a magneti

1. A wire 10 cm long carries 2 amperes of current through an area with a magnetic field of strength of 0.5 T. Which of the following would result in a force on the wire toward the…

1. A wire carrying 12 A makes a 31 angle with a uniform magnetic field. The magn

1. A wire carrying 12 A makes a 31 angle with a uniform magnetic field. The magnetic force per unit length of wire is 0.30 Part A What is the magnetic field strength? Express your…

1. A wire has a length of 3.59 m and carries a current of 4.96 A from right to l

1. A wire has a length of 3.59 m and carries a current of 4.96 A from right to left across the floor. A magnetic field of 0.094T is directed from the floor to the ceiling. a. What…

1. A wire loop rests on this page. An electromagnet is above the loop with the S

1. A wire loop rests on this page. An electromagnet is above the loop with the S pole facing downward. As viewed from above, which of these would create clockwise current in the l…

1. A wire of length 0.675 mcarries a current of 21.0 A. In the presence of a 0.4

1. A wire of length 0.675 mcarries a current of 21.0 A. In the presence of a 0.470 T magneticfield, the wire experiences a force of 5.59 N. What is the angle (less than 90°)betwee…

1. A wire of length L is fixed at both ends. Which of the options in figure 1 re

1. A wire of length L is fixed at both ends. Which of the options in figure 1 represents the stationary wave with the longest wavelength that can be established in this wire? Answ…

1. A wire of radius 0.15 mm is made of an unknown metal and carries a current of

1. A wire of radius 0.15 mm is made of an unknown metal and carries a current of 8.4 mA. The drift velocity for electrons in the wire is measured to be 36 x 10-6m/s. What is the c…

1. A wire on the x-axis carries a current of 3.0 A. The current flows in the pos

1.      A wire on the x-axis carries a current of 3.0 A. The current flows in the positive x-direction. a.      What is the magnitude of the magnetic field 0.5 m from the wire in …

1. A wire on the x-axis carries a current of 3.0 A. The current flows in the pos

1.     A wire on the x-axis carries a current of 3.0 A. The current flows in the positive x-direction. a.     What is the magnitude of the magnetic field 0.5 m from the wire in th…

1. A wire on the x-axis carries a current of 3.0 A. The current flows in the pos

1.     A wire on the x-axis carries a current of 3.0 A. The current flows in the positive x-direction. a.     What is the magnitude of the magnetic field 0.5 m from the wire in th…

1. A wire on the x-axis carries a current of 3.0 A. The current flows in the pos

1.    A wire on the x-axis carries a current of 3.0 A. The current flows in the positive x-direction. a.    What is the magnitude of the magnetic field 0.5 m from the wire in the …

1. A wire on the x-axis carries a current of 3.0 A. The current flows in the pos

1.     A wire on the x-axis carries a current of 3.0 A. The current flows in the positive x-direction. a.     What is the magnitude of the magnetic field 0.5 m from the wire in th…

1. A woman is standing in the ocean, and she notices that after a wave crest pas

1. A woman is standing in the ocean, and she notices that after a wave crest passes by, five more crests pass in a time of 58.5 s. The distance between two successive crests is 32…

1. A woman jumps from a plane carrying a heavy briefcase. She finds when she ope

1. A woman jumps from a plane carrying a heavy briefcase. She finds when she opens the parachute, the briefcase is ripped from her hand. Explain. If you were to drive a large nail…

1. A woman wishes to pull a 3.9 kg crate 6 m across a rough floor. She applies a

1. A woman wishes to pull a 3.9 kg crate 6 m across a rough floor. She applies a 102 N force, and she will pull so that the rope is parallel to the floor. The coefficient of kinet…

1. A woman with mass m 1 is ice-skating toward the east on a frictionless frozen

1. A woman with mass m1 is ice-skating toward the east on a frictionless frozen lake when she collides with a mass of mass m2 who is ice-skating toward the west. The maximum force…

1. A worker opens a 1.10 m wide door by pushing on it with a force of 36.5 N dir

1. A worker opens a 1.10 m wide door by pushing on it with a force of 36.5 N directed perpendicular to its surface. HINT (a) What magnitude torque (in N · m) does she apply about …

1. A youn g engineer working in a manufacturing shop producing spot welded low c

1. A youn g engineer working in a manufacturing shop producing spot welded low carbon steel components is informed that all parts that had been produced in the last two hours had …

1. A young woman on a skateboard is pulled by a rope attached to a bicycle. The

1. A young woman on a skateboard is pulled by a rope attached to a bicycle. The velocity of the skateboarder is e = (4.10 m/s,0) and the force exerted on her by the rope if (17.0,…

1. A(n) 1.2 µF capacitor is initially connected to a 4.4 mH inductor in a LC cir

1. A(n) 1.2 µF capacitor is initially connected to a 4.4 mH inductor in a LC circuit. Find the frequency of oscillation of this circuit. 2. We move a square loop of wire 2.7 cm on…

1. A(n) 700- and a(n) 1800- resistor are connected in series with a 12-V battery

1. A(n) 700- and a(n) 1800- resistor are connected in series with a 12-V battery. (my professor didnt give any figure, sorry :( Part A What is the voltage across the 1800- resisto…

1. A) A proton orbits a long charged wire, making 1.40*10^6 revolutions per seco

1. A) A proton orbits a long charged wire, making 1.40*10^6 revolutions per second. The radius of the orbit is 1.70 cm. What is the wire's linear charge density? B) A problem of p…

1. A) What is the total translational kinetic energy of the air in an empty room

1. A) What is the total translational kinetic energy of the air in an empty room that has dimensions 7.00 m × 14.00 m × 4.00 m if the air is treated as an ideal gas at 1.00 atm? B…

1. A) You are shining ultraviolet light on a gas of an unknown element. You know

1. A) You are shining ultraviolet light on a gas of an unknown element. You know that an electron starts in a ground state with an energy of -18.20 eV. The electron absorbs a 4.00…

1. A. Which of these correctly gives the gravitational potential felt by a test

1. A. Which of these correctly gives the gravitational potential felt by a test mass m from a source mass M at a distance r? a.) +GM/r b.) -GmM/r^2 c.) -GmM/r d.) -GM/r B. There a…

1. A.) A 20.4 mH inductor, an 8.00 resistor, and a 6.00 V battery are connected

1. A.) A 20.4 mH inductor, an 8.00 resistor, and a 6.00 V battery are connected in series. The switch is closed at t=0. Find the voltage drop across the resistor after one time co…

1. A3-kg ball has a velocity of 2 m/s to the left just before it strikes a wall

1. A3-kg ball has a velocity of 2 m/s to the left just before it strikes a wall ahl 0 back with a velocity of 2 m/s to the right. What is the impulse on the ball? (a) 0 kg.m/s (b)…

1. A: What is the magnitude of the net electric force on charge A in the figure

1. A: What is the magnitude of the net electric force on charge A in the figure (Figure 1)? Assume that q1 = 0.50 nC and q2 = 3.6 nC . Express your answer to two significant figur…

1. A: What is the magnitude of the net electric force on charge A in the figure

1. A: What is the magnitude of the net electric force on charge A in the figure (Figure 1)? Assume that q1 = 0.50 nC and q2 = 3.6 nC . Express your answer to two significant figur…

1. ADPCM provides better performance when the analog signal being sampled varies

1. ADPCM provides better performance when the analog signal being sampled varies dramatically in amplitude from one sample to the next a. True b. False 2.Which line coding method …

1. ADPCM provides better performance when the analog signal being sampled varies

1. ADPCM provides better performance when the analog signal being sampled varies dramatically in amplitude from one sample to the next a. True b. False 2.Which line coding method …

1. About how much peak power per square meter does the sun deliver to the surfac

1. About how much peak power per square meter does the sun deliver to the surface of the Earth when the sun is high in the sky on a clear sunny day? a. 100 W b.11,000 W c. 10,000 …