Engineering analysis

1) An elevator has a mass of 2000 kg, carrying three people while each of th thr

1) An elevator has a mass of 2000 kg, carrying three people while each of th three people has a mass of 80 kg. The elevator lifts them 40 m. (a) If the elevator starting from rest…

1) An elevator motor moves a car with six people upward at a constant speed of 2

1) An elevator motor moves a car with six people upward at a constant speed of 2.10 m/s. The mass of the elevator is 6.00 102 kg, and the average mass of a person on the elevator …

1) An elevator motor moves a car with six people upward at a constant speed of 2

1) An elevator motor moves a car with six people upward at a constant speed of 2.10 m/s. The mass of the elevator is 6.00 102 kg, and the average mass of a person on the elevator …

1) An engineer wishes to mountan axle on a gear (modeled as a solid disk of mass

1)  An engineer wishes to mountan axle on a gear (modeled as a solid disk of mass M and radius R)to make its moment of inertia about the new axis equal to 0.563MR2. At what distan…

1) An exothermic reaction may require some activation energy to start; the react

1) An exothermic reaction may require some activation energy to start; the reaction then...                                                          A) needs more energy added, as…

1) An ice dancer with her arms stretched out starts into a spin with an angular

1) An ice dancer with her arms stretched out starts into a spin with an angular velocity of 1.00 rad/s. Her moment of inertia with her arms stretched out is 2.48 kg m2. What is th…

1) An ice skater starts a spin with her arms stretched out to the sides. She bal

1) An ice skater starts a spin with her arms stretched out to the sides. She balances on the tip of one skate to turn without friction. She then pulls her arms in so that her mome…

1) An ideal gas undergoes the process A=>B=>C=>A shown in the figure above. The

1) An ideal gas undergoes the process A=>B=>C=>A shown in the figure above. The heat gained in process AB is 576 J, while in process BC the system loses 67 J. In process …

1) An ideal low pass rectangular filter has an oscillation (e.g., ripples) near

1) An ideal low pass rectangular filter has an oscillation (e.g., ripples) near the cut off frequency, which is referred to as the Gibb’s phenomenon. Gibb’s phenomenon is persiste…

1) An image created by a lens can ONLY be seen if you are looking through the le

1) An image created by a lens can ONLY be seen if you are looking through the lens. This image is A) this doesn't describe either real or virtual images B) either real or virtual …

1) An implanted pacemaker supplies the heart with 72 pulses per minute, each pul

1) An implanted pacemaker supplies the heart with 72 pulses per minute, each pulse providing 3.0 V for 0.95 ms. The resistance of the heart muscle between the pacemaker's electrod…

1) An inclined plane with angle ?=30.9 degrees has a rough surface with coeffici

1) An inclined plane with angle ?=30.9 degrees has a rough surface with coefficient of static friction ?s=0.56 and kinetic friction ?k=0.21. A mass, m=10.1 kg, sits at rest with r…

1) An inductor with an inductance of L and a resistance of R is connected to the

1) An inductor with an inductance of L and a resistance of R is connected to the terminals of a battery with an emf of E and negligible internal resistance. a) Find the initial ra…

1) An inductor with an inductance of L and a resistance of R is connected to the

1) An inductor with an inductance of L and a resistance of R is connected to the terminals of a battery with an emf of E and negligible internal resistance. a) Find the initial ra…

1) An inductor with an inductance of L and a resistance of R is connected to the

1) An inductor with an inductance of L and a resistance of R is connected to the terminals of a battery with an emf of E and negligible internal resistance. a) Find the initial ra…

1) An inductor with an inductance of L and a resistance of R is connected to the

1) An inductor with an inductance of L and a resistance of R is connected to the terminals of a battery with an emf of E and negligible internal resistance. a) Find the initial ra…

1) An infinitely long wire is bent 90o at the coordinate origin. One leg of the

1) An infinitely long wire is bent 90o at the coordinate origin. One leg of the bent wire is along ax with the current direction towards the origin. The 2nd leg is along ay with t…

1) An infinitely long wire lies along the z axis and carries a current of 24 A i

1) An infinitely long wire lies along the z axis and carries a current of 24 A in the positive z direction. A second infinitely long wire is parallel to the z axis, and intercepts…

1) An injection containing 17.0 pg 10 5B was injected into a patient suffering f

1) An injection containing 17.0 pg 10  5B was injected into a patient suffering from a brain tumor. The patient was irradiated by a neutron gun at the site of the tumor. Calculate…

1) An object 1.0 cm tall is placedd 6 cm in front of a spherical concave mirror

1) An object 1.0 cm tall is placedd 6 cm in front of a spherical concave mirror with a radius of curvature equal to 10.0 cm. Calculate the image distance and height by using (a) a…

1) An object 1.0 cm tall is placedd 6 cm in front of a spherical concave mirror

1) An object 1.0 cm tall is placedd 6 cm in front of a spherical concave mirror with a radius of curvature equal to 10.0 cm. Calculate the image distance and height by using (a) a…

1) An object 1.0 cm tall is placedd 6 cm in front of a spherical concave mirror

1) An object 1.0 cm tall is placedd 6 cm in front of a spherical concave mirror with a radius of curvature equal to 10.0 cm. Calculate the image distance and height by using (a) a…

1) An object acted on by three forces moves with constant velocity. One force ac

1) An object acted on by three forces moves with constant velocity. One force acting on the object is in the positive x direction and has a magnitude of 6.4 N ; a second force has…

1) An object has a kinetic energy of 262 J and a momentum of magnitude 25.4 kg ·

1) An object has a kinetic energy of 262 J and a momentum of magnitude 25.4 kg · m/s. (a) Find the speed of the object. (b) Find the mass of the object. 2) A ball of mass 0.120 kg…

1) An object is located 50.0 cm away from a concave mirror, which has a focal le

1) An object is located 50.0 cm away from a concave mirror, which has a focal length of 10.0 cm. How far is the image from the mirror? 20 cm 25 cm     10 cm 12.5 cm 2) When you co…

1) An object is moving with constant velocity. Which of the following statements

1) An object is moving with constant velocity. Which of the following statements is true? a) A constant force is being applied in the direction of motion. b) A constant force is b…

1) An object is placed in front of a converging lens, at a distance LESS than th

1) An object is placed in front of a converging lens, at a distance LESS than the focal length f. Which one of these statements concerning the image distance is TRUE? Select one: …

1) An object is placed in front of a converging lens, at a distance LESS than th

1) An object is placed in front of a converging lens, at a distance LESS than the focal length f. Which one of these statements concerning the image distance is TRUE? Select one: …

1) An object is rotating at a constant angular speed of 33 revmin. 6)A mass of 5

1) An object is rotating at a constant angular speed of 33 revmin. 6)A mass of 5 kg is resting on a frictioniess ramp. It is connected to a cable that passes over a pulley of radi…

1) An object is shot upward at 34.3 m/s. How high does it go? a) 60.0 m b) 180 m

1) An object is shot upward at 34.3 m/s. How high does it go? a) 60.0 m b) 180 m c) 103 m d) 240 m 2) How much time does it take the object in Problem 1 to reach the highest posit…

1) An object moves along the x axis, subject to the potential energy shown in th

1)An object moves along the x axis, subject to the potential energy shown in the figure. (Figure 1) The object has a mass of 2.2kg and starts at rest at point A. http://session.ma…

1) An object of height 1cm is 30 cm in front of a converging lens with a focal l

1) An object of height 1cm is 30 cm in front of a converging lens with a focal length of 25 cm. what is the magnification and how tall is the image? 2)How long(in ns) does it take…

1) An object of mass 2.5 kg experiences a force of 12 N towards the east and 5 N

1) An object of mass 2.5 kg experiences a force of 12 N towards the east and 5 N towards the north. The magnitude of the acceleration is _____ m/s2. 2) A wooden block slides direc…

1) An object placed to the left of f in Fig. b results in an image on the right

1) An object placed to the left of f in Fig. b results in an image on the right side of the lens. 2) An object placed to the left of f in Fig. a results in an image on the left si…

1) An object starts from rest with an acceleration of 2.0 m/s 2 for 3.0 seconds.

1) An object starts from rest with an acceleration of 2.0 m/s2 for 3.0 seconds. It then reduces its acceleration to 1.0 m/s2 for 5.0 additional seconds. The total distance covered…

1) An object that is 26.0 cm in front of a convex mirror has an image located 15

1) An object that is 26.0 cm in front of a convex mirror has an image located 15.0 cm behind the mirror. What is the distance of the image when the object is 28.0 cm in front of t…

1) An oceanic depth-sounding vessel surveys the ocean bottom with ultrasonic wav

1) An oceanic depth-sounding vessel surveys the ocean bottom with ultrasonic waves that travel 1530 m/s in seawater. How deep is the water directly below the vessel if the time de…

1) An organ pipe is 1.42 m long. What is the first harmonic frequency of this pi

1) An organ pipe is 1.42 m long. What is the first harmonic frequency of this pipe when it is open at both ends? What is the first harmonic frequency of this pipe when it is close…

1) An uncharyed conductor has a hollow cavity inside of it. Within this cavity t

1) An uncharyed conductor has a hollow cavity inside of it. Within this cavity there is a charge of +10 Which statement uC that does not touch the conductor. There are no other ch…

1) An unknown material experiences an alpha decay and a beta decay. The end prod

1) An unknown material experiences an alpha decay and a beta decay. The end product is an element with 48 protons and a total of 112 nucleons. Calculate the original atomic number…

1) An xyz coordinate system contains three charged particles: particle 1, q1= 6.

1) An xyz coordinate system contains three charged particles: particle 1, q1= 6.5 C , at (4.0 m, -2.0 m, 0); particle 2, q2 = 15 C , at (1.0 m, 2.0 m, 0); and an electron at at (-…

1) Answer the following questions in your logbook: 1. 2. 3, 4. 5. 6. Describe a

1) Answer the following questions in your logbook: 1. 2. 3, 4. 5. 6. Describe a specific use for a loop. Write a loop that computes the average of the values in a vector. (l know …

1) Aparticle moves in a straight line with the velocity shown in thefigure. Know

1) Aparticle moves in a straight line with the velocity shown in thefigure. Knowing that x=-540 ft at t = 0, Construct the a-tand x-t curves for 0<t<50 s, and determine the …

1) Approximately what magnitude force, F M, must the extensor muscle in the uppe

1) Approximately what magnitude force, FM, must the extensor muscle in the upper arm exert on the lower arm to hold a 7.1-kg shot put (Figure 1) ? Assume the lower arm has a mass …

1) Are equipotential surfaces and electric field lines always straight lines? Un

1) Are equipotential surfaces and electric field lines always straight lines? Under what circumstances would you not have straight lines for both? 2) Were the equipotential lines …

1) Are equipotential surfaces and electric field lines always straight lines? Un

1) Are equipotential surfaces and electric field lines always straight lines? Under what circumstances would you not have straight lines for both? 2) Are the equipotential lines w…

1) Are the masses accelerating? HINT: Think about the forces acting on m 1 (a)Ye

1) Are the masses accelerating? HINT: Think about the forces acting on m1 (a)Yes, m2 accelerates downward and m1 accelerates to the right. (b)No, they move with a constant velocit…

1) Are the masses accelerating? HINT: Think about the forces acting on m 1 (a)Ye

1) Are the masses accelerating? HINT: Think about the forces acting on m1 (a)Yes, m2 accelerates downward and m1 accelerates to the right. (b)No, they move with a constant velocit…

1) As a city planner, you receive complaints from local residents about the safe

1) As a city planner, you receive complaints from local residents about the safety of nearby roads and streets. One complaint concerns a stop sign at the corner of Pine Street and…

1) As a hole is dug into the Earth, the temperature rises 1.52°C for every 50.0

1) As a hole is dug into the Earth, the temperature rises 1.52°C for every 50.0 m below the surface. At what depth will iron fail to remain magnetic? (Assume that the linear relat…