Engineering analysis
218221 questions • Page 4125 / 4365
a) stones are thrown horizontally with the same velocity fromthe tops of two dif
a) stones are thrown horizontally with the same velocity fromthe tops of two different buildings. One stone lands twice asfar from the base of the building from which it was throw…
a) suppose a hearing aid amplifies the amplitude of a sound outside the ear by a
a) suppose a hearing aid amplifies the amplitude of a sound outside the ear by a factor of twelve, what would be the sound pressure inside the ear given an external sound level of…
a) the charge on the capacitor... ...a long time after the switch is closed q =
a) the charge on the capacitor... ...a long time after the switch is closed q = ? ...4.1 s after the switch is closed q = ? (b) the current in the resistor... ...immediately after…
a) the forklift and operator have combined weight of 10000 lb and a center of gr
a) the forklift and operator have combined weight of 10000 lb and a center of gravity at G. if the forklift is used to lift the 2000 lb concrete pipw, determine the maximum verica…
a) the horizontal component of the force extremes by the hinge on the beam b) wh
a) the horizontal component of the force extremes by the hinge on the beam b) what is the magnitude of the force that the beam exerts on the hinge I solved the Answer to part a wh…
a) translational equibrium? c, d, e right? but because force has to be balanced
a) translational equibrium? c, d, e right? but because force has to be balanced out evenly, but i dont get why e is translational eq ..? the point of A (i believe its axis) its no…
a) volume of cavity _________cm^3 b) volume of entire object calculation _______
a) volume of cavity _________cm^3 b) volume of entire object calculation _________cm^3 c) density of cylinder calculation _________kg/m^3 Find density of an object Measure all t…
a) what does the first law of thermodynamics state? (ii) All process must 12 mar
a) what does the first law of thermodynamics state? (ii) All process must 12 marks] thermodynamics abide by the first law of however the first law of allows for some non-natural p…
a) what is F? ans. 64.24 b) What is the tension at the top end of rope 1? (c) Wh
a) what is F? ans. 64.24 b) What is the tension at the top end of rope 1? (c) What is the tension at the bottom end of rope 1? d) what is the tension at the top end of rope 2? ans…
a) what is V 2fy ? V 2fx ? then b)what is V 1fy ? V 1fx? c) final speed of objec
a) what is V2fy? V2fx? then b)what is V1fy? V1fx? c) final speed of object 1? d)What is the angle from the diagram? (in degrees) The diagram shows a two-dimensional collision for …
a) what is the force on section ab? b) what is the force on section cd? c) what
a) what is the force on section ab? b) what is the force on section cd? c) what is teh force per unit length on section bc? d) Assume that due to the forces in parts a and c the l…
a) what is the formula for the moment of inertia I of the ring? b)if the ring ro
a) what is the formula for the moment of inertia I of the ring? b)if the ring rolls without slipping on the ramp, what is thequestion for the angular velocity (omega) of the ring …
a) what is the stoichiometry of Y:Ba:O:Cu? I think the answer to this is 1:2:3:7
a) what is the stoichiometry of Y:Ba:O:Cu? I think the answer to this is 1:2:3:7 b) What is the coordination number of the Y3+? What type of hole does it occupy? I think CN=6 and …
a) what type of charge is ther in each plate? b) what is the direction of the el
a) what type of charge is ther in each plate? b) what is the direction of the electric field between the plates? c) If the plates are squared and its sides measure 25.4 como of lo…
a) what value of resistance must be used to cause a capacitorC=100x10E-6F to dis
a) what value of resistance must be used to cause a capacitorC=100x10E-6F to discharage one half of its initial charge in 10seconds? b) Physically, why does a higher value of resi…
a) what value of resistance must be used to cause a capacitorC=100x10E-6F to dis
a) what value of resistance must be used to cause a capacitorC=100x10E-6F to discharage one half of its initial charge in 10seconds? b) Physically, why does a higher value of resi…
a) why are the two focal length of the cylindrical lens not equal? b) How would
a) why are the two focal length of the cylindrical lens not equal? b) How would you alter the shape of the lens to reduce the amount of cyli…
a) why would you use a Inventer Amplifier instead of Non-inventer Amplifier b) W
a) why would you use a Inventer Amplifier instead of Non-inventer Amplifier b) What would be the Max Voltage out from the temperature sensor c) What would be the gain necessary to…
a) “CONT” on a motor nameplate indicates that the motor can put out ____________
a) “CONT” on a motor nameplate indicates that the motor can put out _____________ power continuously. b) ______________ DC motors have electronic commutators. c) Stepper motors ar…
a))A 0.017 kg record with aradius of 15 cm rotates with an angular speed of 32 r
a))A 0.017 kg record with aradius of 15 cm rotates with an angular speed of 32 rpm. Find the angular momentum of therecord. b))As an ice skater begins a spin, his angular speed is…
a)-The massive grinder for wood-pulp in a newsprint paper factory, which can ren
a)-The massive grinder for wood-pulp in a newsprint paper factory, which can render about a half Tonne of wood into a thin soup in less than a minute, is essentially a stone cylin…
a). A weather emergency siren is mounted on a tower, 189 meters above the ground
a). A weather emergency siren is mounted on a tower, 189 meters above the ground. On one hand, you would like to make the siren very loud so that it will warn as many people as po…
a). A weather emergency siren is mounted on a tower, 189 meters above the ground
a). A weather emergency siren is mounted on a tower, 189 meters above the ground. On one hand, you would like to make the siren very loud so that it will warn as many people as po…
a). Find the location of the image produced by the mirror using the mirror and m
a). Find the location of the image produced by the mirror using the mirror and magnification equations. b). Find the magnification of the image produced by the mirror using the mi…
a). Rank the momentum of the following six objects from least to most. The arrow
a). Rank the momentum of the following six objects from least to most. The arrows are proportional to the velocity of the objects and no arrow indicates a velocity of 0 m/s. Assum…
a). Using series/parallel resistance reductions, find the equivalent resistance
a). Using series/parallel resistance reductions, find the equivalent resistance between terminals A and B in the circuit of the figure below. b). Repeat, but with C and D shroted …
a). Using series/parallel resistance reductions, find the equivalent resistance
a). Using series/parallel resistance reductions, find the equivalent resistance between terminals A and B in the circuit of the figure below. b). Repeat, but with C and D shroted …
a). What is an exhaustive test? b).A combinational logic circuit has 18 binary i
a). What is an exhaustive test? b).A combinational logic circuit has 18 binary inputs. Assuming it takes 50s to input one test pattern and record the circuit’s output, how long wi…
a). What is the angular velocity of the merry go round? nts b). What is the forc
a). What is the angular velocity of the merry go round? nts b). What is the force required to stay on the merry go round? c). What is the angular momentum of the students on the m…
a). the momentum of cart B 1 2 3 4 5 6 7 8 9 (circle one) b). the force on cart
a). the momentum of cart B 1 2 3 4 5 6 7 8 9 (circle one) b). the force on cart A 1 2 3 4 5 6 7 8 9 (circle one) c). the total momentum of the system 1 2 3 4 5 6 7 8 9 (circle one…
a).A 45.5 g mass is attached to a horizontal spring with a spring constant of 15
a).A 45.5 g mass is attached to a horizontal spring with a spring constant of 15.3 N/m and released from rest with an amplitude of 35.9 cm.What is the velocity of the mass when it…
a).An object of mass 541 g is attached to a spring with spring constant k = 653
a).An object of mass 541 g is attached to a spring with spring constant k = 653 N/m. If the object is displaced by 130 mm from the equilibrium position and is released, with what …
a).Considering a particular metal wire with resistivity ? = 30 x 10-9 Om and cur
a).Considering a particular metal wire with resistivity ? = 30 x 10-9 Om and current density J = 1.34 x 106 A/m2, what is the potential difference over 127 m of the wire? Express …
a).How much energy is stored in the capacitor at the start of the experiment wit
a).How much energy is stored in the capacitor at the start of the experiment with the switch open? a. None b. Some c. Alot b).What is the voltage (difference) across the capacitor…
a)10 points Moving a conducting rod with a constant velocity perpendicular to th
a)10 points Moving a conducting rod with a constant velocity perpendicular to the direction of an external magnetic field results in one end of the rod having a net positive charg…
a)A 0.469m length of wire is formed into a single-turn, squareloop in which ther
a)A 0.469m length of wire is formed into a single-turn, squareloop in which there is a current of 11.0A. The loop is places in amagnetic field of 0.148T. What is the maximum torqu…
a)A baby carriage is pulled to right with force of 2.4 N to left with force of 3
a)A baby carriage is pulled to right with force of 2.4 N to left with force of 3.5N forward with force of 6.2N and backward with force of 0.5N What is the direction of the net ext…
a)A cylinder made of zinc (K = 200 W/m degrees C) supports a hot reservoir at a
a)A cylinder made of zinc (K = 200 W/m degrees C) supports a hot reservoir at a temperature of 61o Celsius. The cylinder rests on a cold reservoir at a temperature of 15o C, has a…
a)A disk between vertebrae in the spine is subjected to a shearing force of 540
a)A disk between vertebrae in the spine is subjected to a shearing force of 540 N. Find its shear deformation taking it to have the shear modulus of 1 109 N/m2. The disk is equiva…
a)A disk between vertebrae in the spine is subjected to a shearing force of 540
a)A disk between vertebrae in the spine is subjected to a shearing force of 540 N. Find its shear deformation taking it to have the shear modulus of 1 109 N/m2. The disk is equiva…
a)A disk rotates about a fixed axis through its center of mass and perpendicular
a)A disk rotates about a fixed axis through its center of mass and perpendicular to the disk. It starts from rest, and reaches angular speed ? after 9.5 revolutions. Assuming the …
a)A doubly ionized carbon atom (with charge 2e) is located at the origin of the
a)A doubly ionized carbon atom (with charge 2e) is located at the origin of the x axis, and an electron (with charge -e) is placed at x = 2.76 cm. There is one location along the …
a)A parallel plate capacitor with capacitance C = 0.02 nF is charged to a potent
a)A parallel plate capacitor with capacitance C = 0.02 nF is charged to a potential difference of 13 V between its plates. The charging battery is then disconnected and a piece of…
a)A projectile is fired from ground level at an angle of 40.0° above horizontal
a)A projectile is fired from ground level at an angle of 40.0° above horizontal at a speed of 30.0 m/s. What is the speed of the projectile when it has reached a height equal to 5…
a)A projectile of mass m = 7.98 kg is fired straight upward twice, both times at
a)A projectile of mass m = 7.98 kg is fired straight upward twice, both times at initial speed vo = 68.2 m/s. The first time there is no air friction, and the projectile reaches h…
a)A proton enters a uniform field B in a perpendicular direction. The proton is
a)A proton enters a uniform field B in a perpendicular direction. The proton is moving out of the page with a speed of 1.00 x 10^7 m/s when it enters the magnetic field. After ent…
a)A satellite is in orbit about Earth. Its orbital radius is 3.46×107 m. The mas
a)A satellite is in orbit about Earth. Its orbital radius is 3.46×107 m. The mass of the satellite is 3286 kg and the mass of Earth is 5.979×1024 kg. Determine the orbital speed o…
a)A steel suspension-bridge is 3710 m long. How much longer is the bridge on a w
a)A steel suspension-bridge is 3710 m long. How much longer is the bridge on a warm summer day (29.0°C) than on a cold winter day (-5.00°C)? ?m b)Early in the morning, when the te…
a)A symmetrical rowboat, mass M = 124 kg, length L = 6.15 m, points toward the s
a)A symmetrical rowboat, mass M = 124 kg, length L = 6.15 m, points toward the shore. Harry, mass m = 95.2 kg, stands in the back of the boat, distance d = 38.9 m from the shore. …
a)A uniform chain has mass m = 5.86 kg and length L = 7.45 m. It is held on a fr
a)A uniform chain has mass m = 5.86 kg and length L = 7.45 m. It is held on a frictionless table with L/11 hanging over the edge. Find the work needed to pull the hanging part bac…
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