Engineering analysis

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1-A 3000 Kg object is lowered by a cable with an acceleration of 1.000m/s 2 . Wh

1-A 3000 Kg object is lowered by a cable with an acceleration of 1.000m/s2. What is the tension in the cable? 2-The force exerted on the tires of a car to directly accelerate it a…

1-A 500 N block sits on a horizontal surface. The coefficient of static friction

1-A 500 N block sits on a horizontal surface. The coefficient of static friction is 0.7 while the coefficient of kinetic friction is 0.4. You pull on a rope attached to the block …

1-A 7.80-g bullet moving at 575 m/s strikes the hand of a superhero, causing the

1-A 7.80-g bullet moving at 575 m/s strikes the hand of a superhero, causing the hand to move 5.50 cm in the direction of the bullet’s velocity before stopping. (a) Use work and e…

1-A 70.0 g ball of clay is thrown horizontally with a speed of 9.00 m/s toward a

1-A 70.0 g ball of clay is thrown horizontally with a speed of 9.00 m/s toward a 940 g block resting on a frictionless surface. It hits the block and sticks. The clay exerts a con…

1-A 70.0 g ball of clay is thrown horizontally with a speed of 9.00 m/s toward a

1-A 70.0 g ball of clay is thrown horizontally with a speed of 9.00 m/s toward a 940 g block resting on a frictionless surface. It hits the block and sticks. The clay exerts a con…

1-A 75-kg boy and a 49-kg girl are balanced on a uniform{mss}-kg seesaw which pi

1-A 75-kg boy and a 49-kg girl are balanced on a uniform{mss}-kg seesaw which pivots at the seesaw's center. If the boysits 1.5 m from the pivot point on one side of the seesaw, w…

1-A 8000 kg freight car rolls along rails with negligible friction. The car is b

1-A 8000 kg freight car rolls along rails with negligible friction. The car is brought to rest by a combination of two coiled springs as illustrated in the figure below. Both spri…

1-A birefringent material is a material that will divide light up into two rays,

1-A birefringent material is a material that will divide light up into two rays, each one ____ the other. oscillating around perpendicular to     orbiting parallel to having a dif…

1-A copper collar is to fit tightly about a steel shaft whose diameter is 6.0017

1-A copper collar is to fit tightly about a steel shaft whose diameter is 6.0017 cm at 22°C. The inside diameter of the copper collar at that temperature is 5.9800 cm. To what tem…

1-A function must be defined or declared above the locations in the source code

1-A function must be defined or declared above the locations in the source code file from where it is called. We declare a function by writing a function declaration (which is a s…

1-A jet is circling an airport control tower at a distance of 23.5 km. An observ

1-A jet is circling an airport control tower at a distance of 23.5 km. An observer in the tower watches the jet cross in front of the moon. As seen from the tower, the moon subten…

1-A parallel-plate air capacitor is made by using two plates 17 cm square, space

1-A parallel-plate air capacitor is made by using two plates 17 cm square, spaced 3.7 mm apart. It is connected to a 12-Vbattery. If the battery remains conneated to the battery a…

1-A parallel-plate air capacitor is made by using two plates 17 cm square, space

1-A parallel-plate air capacitor is made by using two plates 17 cm square, spaced 3.7 mm apart. It is connected to a 12-Vbattery. If the battery remains conneated to the battery a…

1-A particle moving along the x -axis has its velocity described by the function

1-A particle moving along the x-axis has its velocity described by the function vx =2t2m/s, where t is in s. Its initial position is x0 = 2.6 m at t0 = 0 s At 2.3 s , what is the …

1-A person has a hearing threshold 11 dB above normal at 100 Hz and 52 dB above

1-A person has a hearing threshold 11 dB above normal at 100 Hz and 52 dB above normal at 4000 Hz. How much more intense must a 100 Hz tone be than a 4000 Hztone if they are both …

1-A piece of putty and a tennis ball of equal mass are thrown against a wall wit

1-A piece of putty and a tennis ball of equal mass are thrown against a wall with the same speed. If the tennis ball bounces off the same speed but the putty sticks to the wall, t…

1-A point charge q1 = 2.50 nC is placed at the origin, and a second point charge

1-A point charge q1 = 2.50 nC is placed at the origin, and a second point charge q2 = 4.00 nC is placed on the x-axis at x = +29.00 cm. A third point charge q3 = 1.25 nC is to be …

1-A point source of light is located 3.36 m below the surface of a large lake of

1-A point source of light is located 3.36 m below the surface of a large lake of clear toxic fluid (Lake Ontario, where n=1.44). Find the area of the largest circle on the pool's …

1-A positve charege placed in a electri feld experineces a force in the directio

1-A positve charege placed in a electri feld experineces a force in the directionf the fild. A- true B- false 2- If a conductor is placed in a elctri feld underlectrostaic condito…

1-A power transformer has two primary windings connected in series: one whose vo

1-A power transformer has two primary windings connected in series: one whose voltage and current ratings are 50 V and 1 A, respectively, and the other whose voltage and current r…

1-A power transformer has two primary windings connected in series: one whose vo

1-A power transformer has two primary windings connected in series: one whose voltage and current ratings are 50 V and 1 A, respectively, and the other whose voltage and current r…

1-A single bi-concave lens (a lens with two concavesurfaces) made of diamond (in

1-A single bi-concave lens (a lens with two concavesurfaces) made of diamond (index of refraction n = 2.42) hassurfaces with radii of curvature r1 = -28.0 cm andr2 = 28.0 cm. What…

1-A single bi-convex lens (a lens with two convexsurfaces) made of glass (index

1-A single bi-convex lens (a lens with two convexsurfaces) made of glass (index of refraction n = 1.55) has surfaceswith radii of curvature r1 = 12.0 cm andr2 = -12.0 cm. What is …

1-A small sphere of charge q1 = 0.792 µC hangs from the end of a spring as in fi

1-A small sphere of charge q1 = 0.792 µC hangs from the end of a spring as in figure (a). When another small sphere of charge q2 = 0.576 µC is held beneath the first sphere as in …

1-A spring that is linearly elastic is one for which the spring constant k is pr

1-A spring that is linearly elastic is one for which the spring constant k is proportional to the displacement from the natural length of the spring. true false 2-The modulus of e…

1-A tennis player swings her 1000g racket with a speed of 10m/s. She hits a 60g

1-A tennis player swings her 1000g racket with a speed of 10m/s. She hits a 60g tennis ball that was approaching her at a speed of 20m/s. The ball rebounds in the opposite directi…

1-A thing solid cylinder has a mass 0.66kg and a length 0.134 m. What is its mom

1-A thing solid cylinder has a mass 0.66kg and a length 0.134 m. What is its moment of inertia (in unit of kg.m2) when it is rotating as shown above? (please search your physics t…

1-A thing solid cylinder has a mass 0.66kg and a length 0.134 m. What is its mom

1-A thing solid cylinder has a mass 0.66kg and a length 0.134 m. What is its moment of inertia (in unit of kg.m2) when it is rotating as shown above? (please search your physics t…

1-A uniform electric field has magnitude E and is directed in the negative x dir

1-A uniform electric field has magnitude E and is directed in the negative x direction. The potential difference between point a (atx= 0.60m ) and point b (at x= 0.80m ) is 240V .…

1-A weight of 120lb acts at C on the strut. Find the magnitude of the tension in

1-A weight of 120lb acts at C on the strut. Find the magnitude of the tension in cable AC. 2- What is the weight of an unknown hanging mass when the compressive force in strut BC …

1-All actual processes are irreversible A True B False 2-A general statement con

1-All actual processes are irreversible A True B False 2-A general statement consistent with the second law, given in lecture, is that order is more probable than disorder A True …

1-An archer pulls her bowstring back 0.374 m by exerting a force that increases

1-An archer pulls her bowstring back 0.374 m by exerting a force that increases uniformly from zero to 243 N. An archer pulls her bowstring back 0.374 m by exerting a force that i…

1-An elevator cab and its load have a combined mass of 2000kg. 1600kg of this ma

1-An elevator cab and its load have a combined mass of 2000kg. 1600kg of this mass belong to the elevator and 400kg belong to the load. What force dose the load exert on the floor…

1-An elevator is moving downward and decreasing its speed. Which of the followin

1-An elevator is moving downward and decreasing its speed. Which of the following is true? a)the elevator's velocity points downward, and its acceleration points downward. b)the e…

1-An elevator is moving downward and decreasing its speed. Which of the followin

1-An elevator is moving downward and decreasing its speed. Which of the following is true? a)the elevator's velocity points downward, and its acceleration points downward. b)the e…

1-An object floats with half its volume beneath the surface ofthe water. The wei

1-An object floats with half its volume beneath the surface ofthe water. The weight of the displaced water is 921 N. What is theweight of the object? Weight of object in N? 2- A 1…

1-An object has a moment of inertia of 9.99 kg*m 2 , and a torque of 10.25 N*m i

1-An object has a moment of inertia of 9.99 kg*m2, and a torque of 10.25 N*m is applied on it. What is the angular acceleration of the object in unit of rad/s? 2- In this lab, we …

1-Answer the following: a-A proton is held at a fixed position. An electron is p

1-Answer the following: a-A proton is held at a fixed position. An electron is placed 0.85 m away and released.Find the electron's speed when it's 2.0 mm from the proton. b-Three …

1-Answer the following: a-A proton is held at a fixed position. An electron is p

1-Answer the following: a-A proton is held at a fixed position. An electron is placed 0.85 m away and released.Find the electron's speed when it's 2.0 mm from the proton. b-Three …

1-Approximately 130,000 tons (118 @106 kg) of coal are burned each year at the I

1-Approximately 130,000 tons (118 @106 kg) of coal are burned each year at the Iowa State University Power Plant. The coal is barged up from Kentucky to Davenport and trucked to A…

1-As a general rule, pressure vessels are considered thin-walled when the radius

1-As a general rule, pressure vessels are considered thin-walled when the radius to thickness ratio is greater than five. true false 2-The outer surface of a spherical pressure ve…

1-As shown, a 160 lb bungee jumper wants to jump from the top of a 220 ft high b

1-As shown, a 160 lb bungee jumper wants to jump from the top of a 220 ft high bridge and be able to just touch the water below(Figure 1) . Given that the bungee cord has a spring…

1-As shown, a 160 lb bungee jumper wants to jump from the top of a 220 ft high b

1-As shown, a 160 lb bungee jumper wants to jump from the top of a 220 ft high bridge and be able to just touch the water below(Figure 1) . Given that the bungee cord has a spring…

1-Assume that the turbines at a coal-powered power plant were upgraded, resultin

1-Assume that the turbines at a coal-powered power plant were upgraded, resulting in an improvement in efficiency of 3.34%. Assume that prior to the upgrade the power station had …

1-Beams are generally defined as structural members that are subjected to latera

1-Beams are generally defined as structural members that are subjected to lateral loads. true false 2-A "cantilever" beam has one end firmly fixed so that no movement of that end …

1-Bowling pin knocked down, but not cleared from the alley? 2- Bowling pin knock

1-Bowling pin knocked down, but not cleared from the alley? 2- Bowling pin knocked down, but not cleared from the alley? 3-Getting a strike or spare? 4-Three strikes in a row? 5-T…

1-Calculate the resultant velocity in m/s of an airplane that normally flies at

1-Calculate the resultant velocity in m/s of an airplane that normally flies at 216 km/h if it encounters a 47-km/h wind from the side (at a right angle to the airplane.)? 2-Calcu…

1-Calculate the tension Ft in the wire that supports the 46kg beam shown in the

1-Calculate the tension Ft in the wire that supports the 46kg beam shown in the figure(Figure 1) . 2-Calculate the magnitude of the force Fw exerted by the wall on the beam. 3-Cal…

1-Consider hitting a baseball with a bat. If we call the force on the ball appli

1-Consider hitting a baseball with a bat. If we call the force on the ball applied by the bat as the action force, which of the following is the reaction force? the force on the b…