Component Definition and 544 Threads

  1. P

    How to Evaluate the Z Component of a Vector

    Homework Statement Hey, I had a question about resolving the z-component of a vector. Lets say that there is a problem that asks us to find the resultant force vector in three-dimensions. I know that the the resultant force vector, \vec{F}_{R} is given by the sum of its vector...
  2. E

    Magnetism, component values, and three dimensions

    Homework Statement A magnetic field has these components: x: B = 0.056 T y: B = 0.046 T The particle has a charge of +6.5e-5 C, has a velocity of 2.6e3 m/s, and is moving along the z axis. Questions: 1: What's the magnitude of the net magnetic force on the particle? 2: What's...
  3. W

    Finding magnetic field component

    Homework Statement An electron has a velocity of 1.63×104 m/s (in the positive x direction) and an acceleration of 1.98×1012 m/s2 (in the positive z direction) in uniform electric and magnetic fields. If the electric field has a magnitude of 19.8 N/C (in the positive z direction), what is...
  4. H

    Medical Location of brain component responsible for nociceptive reception

    Where is the part of the human brain located that is responsible for the sensation of pain?
  5. A

    How Do You Calculate a Plane's Average Acceleration from Velocity Components?

    Homework Statement At an air show, a jet plane has velocity components v_x = 625 km/h and v_y = 415 km/h at time 3.85 s and v_x2 = 838 km/h and v_y2 = 365 km/h at time 6.52 }. 2. Questions Question A. For this time interval, find the x component of the plane's average acceleration. {I have...
  6. P

    Path Components: Examples of Open and Closed?

    Homework Statement Give examples to show Path components need not be open or closed. I assume it means give one that is not open and one that is not closed. So one a path component that is open (to satisfy not closed) and one that is closed (to satisfies not open). Or is the question asking...
  7. J

    Momentum and kinetic energy- pendulum component

    Homework Statement An 18-g rifle bullet traveling 230 m/s buries itself in a 3.6kg pendulum hanging on a 2.8-m-long string, which makes the pendulum swing upward in an arc. Determine the horizontal component of the pendulum's displacement. Homework Equations MaVa1 + MbVb1= MtVt2...
  8. M

    What Does \mathbf{q_\perp} Represent in e^{i \mathbf{q_\perp \cdot x}}?

    If I have e^{i \mathbf{q_\perp \cdot x}} what does it mean?Specifically what does the \mathbf{q_\perp} mean? thanks
  9. J

    How Do You Calculate the Mass of Each Gas Component in a Heated Mixture?

    1. A mixture at T=300 K and P=100 kPa is made up of .1 oxygen, .2 carbon dioxide, and .7 Nitrogen. It is then heated to 300 kPa and 500 K. Find the mass of each component I originally thought using PV=NRT, ideal gas but there doesn't seem to be enough givens. Can you also find the molar...
  10. A

    Electricity, force, and component form

    Homework Statement Consider the four charges in Figure P25.46 http://i137.photobucket.com/albums/q208/infinitbelt/p25-46.gif , in which d = 3 cm, q = 4 nC, the +x-axis points to the right, and the +y-axis points up. What is the force on the 1 nC charge at the bottom? Give your answer in...
  11. A

    Component of magnetic flux density - huh?

    hiya If 'b' is the length of a wire, and 'I' current running trough it, then if put a wire inside magnetic field ( not perpendicullary and also not parallel to magnetic field lines, but some angle in between the two ), then magnetic force on a wire will be: F = I * b * B * sin[angle] where...
  12. P

    What is the big box that stabilizes ammeter and voltmeter readings?

    Does anyone know the name of the big box that you can connect to a circuit, to stop the ammeter and voltmeter readings jumping around?
  13. L

    Component of Fibonacci Sequence

    Please excuse my total ignorance but can someon explain to me how the following part of a certain proof makes sense We want to show that[SIZE="4"] F[SIZE="1"]k+1 ≤ (7/4)^(k+1). Consider [SIZE="4"]f[SIZE="1"]k+1 = [SIZE="4"]f[SIZE="1"]k + [SIZE="4"]f[SIZE="1"]k−1 (We can do this as k +1 is at...
  14. M

    Component Acceleration/Velocity

    The problem is stated as follows: A sailboat is traveling east at 4.10 m/s. A sudden gust of wind gives the boat an acceleration a=(0.500 m/s2,40.0° north of east). What is the boat's speed 5.90 s later when the gust subsides? I've tried breaking it into component vectors, but no luck...
  15. A

    Drop Test: Mass vs Horizontal Component

    I was thinking about a question where when 2 similar objects with different masses were dropped from the same height that they would hit tthe ground at the same time. It then occurred to me if the same would happen if the objects were given a horizontal component. i.e if they were rolled off an...
  16. D

    Can a vector have a component whose magnitude is greater than itself?

    Can a vector have a component whose magnitude is greater than itself?
  17. K

    Medical Is there a genetic component to laziness?

    The question is the title of the thread. I am curious about the matter, because i read that a lot of personality traits have an genetic component.
  18. E

    Where Can Engineering Enthusiasts Find Quality Electronic Components?

    I am wondering if anyone has a good source for electonic components (resistors, capacitors, inductors, transformers, switches, etc.). I was an electronic's technician in the military and we order all of our equipment through the federal supply system. Anyway's now I'm just an engineering...
  19. Q

    C is only a component of light speed?

    I'm just thinking that since light is an electromagnetic wave, it must move sinusoidally. So, wouldn't it just be going forward at the speed of "c", while the wave itself would be going up and down as well? And if that's the case, wouldn't the actual speed of the photons be much faster if the...
  20. B

    Why does vertical component of normal force

    hi For car to be able to drive trough banked curve on the road with no friction, the vertical component of a normal force must be equal in size but opposite in direction to the force of gravity. Horizontal component F[h] F[h] = m * g * tan(alpha) = m * v^2 / r So there is only one...
  21. E

    Momentum from F in component form

    I am having some trouble figuring out where to start with this problem: The force on a particle of mass m is given by: F= 26i – 12t^2j where F is in N and t in seconds. What will be the change in the particle’s momentum between t=1s and t=2s? Can anyone point me in the right...
  22. L

    Principal Component Analysis vs Factor Analysis vs regression

    I just gave a try to a statistical excel add-in and found PCA and FA quite interresting. However, I don't see where are the differences between these two analysis, except for the layout of the results. Additionaly, I see the link with multiple regression, but I don't see the link precisely...
  23. L

    Find the x component for the force parallel using xcos

    A block weighing 95.0 lbs is on a 34.5 degree plane. Find the force parallel to the plane, the acceleration if there is no friction, the coefficient of friction if the object is just at the point of sliding, and the acceleration if coefficient of sliding friction is .350. Do you find the x...
  24. C

    What are the two possibilities for its x component?

    HELP ASAP--vectors You are given a vector in the xy plane that has a magnitude of 90.0 units and a y component of -55.0 units. a) what are the two possibilities for its x component? b) assuming the x component is known to be positive, specify the vector which, if you add it to the...
  25. B

    Solve 3sin(x+10)=4cos(x-10) - Help!

    Solve for x 3sin(x+10)=4cos(x-10) I tried changinf everything into tan nothing out. I tried expaning the brackets and collecting like terms, that didnt work out either. Please help.
  26. C

    Can a vector of magnitude zero have a nonzero component?

    During baseball practice, a batter hits a very high fly ball, and then runs in a straight line and catches it. Which had the greater displacement, the player or the ball or neither? Explain. I think it's neither but I'm not sure and i don't understand why. could someone please explain...
  27. R

    Pixel Density & Component Accuracy: Does Width Matter?

    The following question appeared on one of my exam papers. A CCD of pixel density 10Mpixel (1cm^-2) is used to image a component of length 10cm. Show how this does or does not meet the required accuracies of +/- 0.025mm. A similar question was asked in a previous exam where the...
  28. A

    Calculating Displacement: X Component Error

    I thought I calculated the vector components correctly and added them, but apparently something is wrong. A car travels 2.2 km in the x-direction, then turns left 67.5 degrees to the original direction and travels an additional distance of 3.09km. Calculate the x component of the car's...
  29. L

    What causes a bicycle to continue moving forward after taking a 90 degree turn?

    The component of a force in a perpendicular direction is given by F Cos 90 and is 0. But when one rides a bycycle and stops paddling before and after taking a 90degree turn, the bycycle continues to move forward. What might be the explanation?
  30. C

    Force that will be created on the component

    a mass of 22 kg is dropped vertically from 180mm on a component. I know the final velocity while the hit takes place is 3.53m/sqsec. What is the force that will be created on the component and to what duration the force lasts.
  31. L

    Hubbles's law and the Dark Energy Component

    "RE: Hubble's law is WHAT is driving the expansion: the not so recent Findings (last 10-5 yrs) is that experimentally it looks like there is a dark energy component." Question: At what point does Hubble's Law begin to suggest this dark energy component? Suzanne Elizabeth Seitz
  32. D

    Spectroscope separates entering light into its component wavelengths?

    What part of the spectroscope separates entering light into its component wavelengths?
  33. P

    What is the component of the total angular momentum along the axle?

    Two lightweight rods d = 23 cm are mounted perpendicular to an axle and at 180° to each other. (Fig. 11-24). At the end of each rod is a 700 g mass. The rods are spaced 40 cm apart along the axle. The axle rotates at 41 rad/s. http://www.geocities.com/sinceury/11-24alt.gif (a) What is...
  34. B

    Mag. component of positive charges

    Hello scientists, I'm unable to make any advances with this small problem.. two equal and positive charges (q) travel (in the same direction) at a speed (v), and are parallel to each other, at separation (r). Derive an expression for the force between them, in the form of: F = Felec(1 -...
  35. K

    Find the magnitude of the trucks horizontal component of displacement

    Can anyone help me with these 2 problems.. I have been stuck on them Thanks! --------- A car travels 1.14km in the x- direction, then turns left 74.1 degrees to the original direction and travels an additional distance of 3.18km. Calculate the x component of the car's net...
  36. C

    Solving Mutually Perpendicular Vector Components

    Guys, I am stuck on this problem. I have the answer from the back of the book, but I don't know how to solve it. I tried to solve it by isolating Ux, Vy, and trying to solve it by simultaneous equations, but I always end up getting something like Vy = Vy , or something like Vy - Vy = 0. It keeps...
  37. I

    Find the x and y component of vector c

    You are given vectors a = 4.50i-7.00j and b = -3.50i+7.40j. A third vector c lies in the xy-plane. Vector c is perpendicular to vector a and the scalar product of c with b is 10.0. now i figured that since vector a is in quad 4, then to be perpendicular, vector c would have to be in quad 1...
  38. Antonio Lao

    Can a Physical Law Formulated by One component Tensor ?

    Can a Physical Law Formulated by One component Tensor ? The number of component of a tensor of any rank is given by c = d^r where c is the number of component, d is the dimension of the tensor, r is the rank of the tensor. For r=0, the tensors are the scalars. For r=1, the tensors...
  39. J

    Does relativistic mass have a gravitational component?

    Can anyone help me with something I have been puzzling over on and off for 15 years? I studied Physics at university, but went on to become a computer consultant, and I have forgotten quite a bit. Moreover I have not been able to find anyone willing to take the time to explain it. The...
  40. wasteofo2

    What component of the blood carries nutrients?

    Does a specific part of your blood carry nutrients to your body (like red blood cells carry o2), or are they just floating around free in the plasma?
  41. G

    Class II Green Laser for Prototype Design - Angular Spread: 30 Degrees

    Hi, I am working on a prototype design. For it I will need a laser with the following specs... Class II, Green, line-generating laser, with an angular spread of approximately 30 degrees. Where can I get such a laser? Thanks, Glenn
  42. D

    Find the vertical component and friction

    Alright, so I've scanned my book and I am thuroughly confused. My friend has an identical problem (the numbers are different), and we can't even start working on the problem. Of course, I'm not looking for an answer. I'm just trying to get started here... what I'm thinking is that I...
  43. S

    Measuring Spin Component of Particle with S=1 & Sz=1

    For a particle with S = 1 in a state of Sz = 1, what are the probabilities to obtain the various values of the spin component if measured along a direction which makes an angle Q relative to the z-axis? Is there a general method for an arbitrary value of S?
  44. E

    Initial vertical component of velocity is 61 m/s

    a toy is thrown up; its initial vertical component of velocity is 61 m/s and its initial horizontal component of velocity is 10m/s what is the toys speed two seconds later; please help
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