Range Definition and 1000 Threads

  1. G

    How do you derive a Range prediction equation?

    Homework Statement Derive the equations for v0 and R, and show how you made your prediction. Homework Equations d = v0t +1/2at^2 The Attempt at a Solution The acceleration was zero, so I rewrote the equation: R(range) = v0t but then they substituted t with\sqrt{\frac{2Y}{g}}...
  2. X

    Restricting Domain and Range in broken conics

    Homework Statement How do you know whether you restrict the domain or range with a horizontal ellipse ? Homework Equations x^2/49 +y^2/10=1 The Attempt at a Solution
  3. W

    Kernal, range and linear transformations

    Homework Statement T: P2 --> P2 be a linear transformation defined by T(p(x)) = xp'(x) where ' is the derivative Describe the kernal and range of T and are any of the following polynomials in the range and or in the kernal of T? 2 x2 1 - x Homework Equations power rule (for...
  4. B

    PMOS diff amp - common mode input range

    Hi Can someone help me on how i can calculate the input common mode range for this pmos diff pair. I'd have an idea if it was an NMOS diff pair but am kinda uncertain of this. I'm looking for equations for the input signal ranges of Vmax and Vmin Thanks
  5. M

    Root Locus of Unity Feedback Transfer Function: Find K Range for Stability

    I want a MATLAB code to draw the root locus for a characteristic equation of a transfer function of unity feedback, also what is the range of K that keeps the system stable , here is the characteristic equation: s^5+600s^4+50000s^3+ks^2+24ks+80k=0 please help, thanks in previous
  6. B

    What are the options for long range distance sensors?

    Can anyone point me to a long range distance sensor. I'm not sure what types they have out there other then ultrasonic. Those ones only get me about 10-80 cm. I'm looking for one that is around 30ft or more. Any information on different types of links is appreciated. thanks in advance!
  7. I

    How to find initial velocity from range and angle.

    Homework Statement A golf ball is hit at an angle of 30 degrees, it travels 50m landing straight in the hole. Ignoring air friction, what is the initial velocity? Homework Equations not too sure, d=vi.t+1/2.a.ts∧2, vf=u∧2+2.a.d, v=u+a.t, d=u.t The Attempt at a Solution Vertical...
  8. K

    What Determines the Range of the Strong Interaction?

    the strong interaction's range is 10-15m, but because gluons are massless shouldn't it be infinite? is it something to do w/ confinement?
  9. S

    Range of a f(x) involving floor

    Homework Statement I have to find the range of f(x) where: f(x)=7*floor(x) - floor(7*x) x is a real number. Then I have to prove that this set of numbers is correct. The Attempt at a Solution I am still on the range part, and thus am only asking about that part at the moment. It...
  10. C

    Understanding Domain & Range in R^2: Conditions for Image in Boundary

    Can you help me with this? I have a function with domain and range in R^2. What conditions it must have so that a point in the boundary of the domain will have its image in the boundary of the range? Thanks.
  11. putongren

    Ultra long range projectile problem

    Homework Statement Physics students know that if one fires a cannon ball and one assume that the Earth is flat and the gravitational strength is constant for all height, we use the equation Range = (Vo2/g)* sin 2 θ, Vo = initial velocity, g = 9.8 m/s2 , θ = projection angle. How do we find...
  12. J

    Domain and range of the function help needed work shown

    domain and range of the function help needed.. work shown! Given the function f(x)= (3x+4)/(5-2x) find the domain and range of the inverse function of f(x) work shown: it was proven to be one to one since f(x1)= f(x2) found inverse f(x) to be (5x-4)/(3+2x), i believe this is correct...
  13. G

    Range of z+1/z (complex function)

    Homework Statement Give the range of the function f(z)=z+1/z z \in \mathbf{C} , Im(z)>0 Homework Equations The Attempt at a Solution tried to use polar form to either separate real and imaginary part or get r*exp(I*phi) both failed to yield suitable closed form expressions. Also tried to...
  14. D

    What is the natural domain and range for f(x,y) = 1/sqrt(x^2-y)?

    define the natural domain and range for f(x,y) = 1/sqrt(x^2-y) I get D= {(x,y)|x^2-y>0} same as saying y can not equal x^2 R= {(x,Y)|f>0} can someone tell me if I've approached this correctly?
  15. D

    Design of a conventional multi range voltmeter/ammeter

    Hi there.. is anybody here know how to design one multi range voltmeter/ammeter by using a D’Arsonval meter with a full-scale deflection rating of 1mA and the internal coil resistance of 500Ω? The measurement range of the voltmeter should cover the ranges as shown below...
  16. K

    I still don't quite get the idea of subspaces, span, and range

    Alright. As stated in the title above. So, a subspace is a set of vectors that satisfies: 1) It contained the zero vector; 2) It's closed under addition and subtraction. By "closed", it means that when I add another vector in R2 or multiply by a scalar k on A(x)=m, it will end up with...
  17. S

    How is horizontal range affected?

    I have this question from my book I really don't understand what they are asking for; A spring loaded gun is aimed horizontally and is used to launch two kind of weight of balls with different initial speeds and gravitational accelerations. The Gun is fixed position above the floor. The balls...
  18. I

    Projectile motion - surface of max range

    Doing an Analytical Mechanics course and we're just reviewing some classical physics and this question came up. Cheers for any help. Homework Statement A gun can fire shells in any direction with the same speed v. Ignoring air resistance and using cylindrical polar coordinates with the...
  19. H

    Sign-Magnitude Number Range in 34-Bit Representation

    1.What is range of sign-magnitude numbers that can be represented with 34-bits I kind of get it but I'm not sure, I know it has something to do with -2^n -1, 2^n-1 but I'm not sure how to represent it or what the question is really asking. Can anyone help?
  20. T

    CM input range of instrumentation amp

    Can anyone tell me how to calculate the common-mode input range of an instrumentation amplifier with all op-amps biased from +15V to -15V assuming all op-amps can swing rail to rail. Thanks.
  21. U

    Control of pH in acidic range by thermal degradation

    Hi all, Long time lurker, very seldom poster. I have a need for an aqueous soluble compound that will thermally decompose or oxidize to form acidic products in the temperature range 100-300 C. It's well known that, on the other end of the scale, urea is water-soluble and near-neutral pH at...
  22. G

    Is Your Experimental Value Within the Accepted Range?

    What is the "accepted range"? Homework Statement Were your values within an acceptable range? If not, find reasons for the discrepancy. Homework Equations ( |Accepted value - experimental value| ) / accepted value Absolute value of accepted value-experimental value over accepted...
  23. C

    Height, Velocity, Angle, Gravity = Range

    Homework Statement Im working on a project for school. We're suppost to learn something and teach it to the class, and I am having a hard time with this one. What I am looking for is an equation. I just don't know how to work height into what I have figured out so far. It is projection based...
  24. matt_crouch

    What is the range of f given by F(x)= 1/(x-1)(x+1), x>1?

    Homework Statement Find the range of f Homework Equations F(x)= 1/(x-1)(x+1) , x>1 The Attempt at a Solution I started by substituting x=2 and x=3 this gives me 1/3 and 1/8 respectively so i get that as x increases y decreases to infinity but how do i represent that as A<y<B...
  25. J

    Finding Range, Max Height and Speed of Projectile

    Homework Statement A projectile is fired with an initial speed of 100 ft/s and angle of elevation Pi/6 (30 degrees). Find: A) the range of the projectile (along the x-axis) B) the maximum height reached C) the speed at impact Homework Equations Vf^2 = Vi^2 +2a*s Vf = Vi + a*t...
  26. L

    Answers to Physics Questions: Temperature, Range, Forces, Spillage, and Speed

    [b]1. 1) You have a brass bar and an aluminum bar which are fastened to two immovable walls and there's an air gap between them. At a certain temperature, the gap measures a certain amount. What temperature will cause the gap to close? 2) A tennis ball starts from rest rolls down a hill and...
  27. F

    What's the widest ratio range for a CVT?

    Hi! I'm designing a human powered vehicle and I need to use a CVT (Continuously variable transmission) in its drive line. I want to know the widest range that the speed ratio of a normal CVT (One that's not very big, heavy, or expensive because our vehicle needs to be as light and cheap as...
  28. L

    Empty Relations: Domain, Range & Functionality

    What is an empty relation? Can an empty relation be a function? Is an empty relation one with the empty set as its domain or as its range or both? THanks
  29. R

    Domain and range of functions of 2 variables

    I'm doing some exam revision and there's a few questions on finding the domain and range of functions of 2 variables. With a function of 1 variable I know that the domain and range is just finding the max and min x value, and the max and min y value. With a function of 2 variables I am...
  30. M

    Range of mass so the body won't move

    http://img227.imageshack.us/img227/9449/ex1ef3.jpg http://g.imageshack.us/img227/ex1ef3.jpg/1/
  31. A

    Range of "p" for Convergence of Series (-1^n)/(n^p)

    Homework Statement find the range of possible values of the real number p for which the series (from 1 to infinity) of [(-1)^n]/[n^p] is a. absolutely convergent b. conditionally convergent c. divergent Homework Equations D'Alembert's ratio test Cauchy's integral test The...
  32. I

    Hang time, range, maximum height

    Homework Statement Find the ball's hang time, range, and maximum height. A player kicks a football from ground level with an initial velocity of 27.0 m/s, 60.0° above the horizontal. Find the ball's hang time, range, and maximum height. Assume air resistance is negligible. Homework...
  33. T

    Finding the range of the trace

    Homework Statement Find the basis for the range of the following transformation: T(A)=tr(A) Homework Equations tr(A)=a(1,1)+a(2,2)+...+a(n,n) {not a multiple of but just subscripts of the entries of the diagonal elements} The Attempt at a Solution Since the elements can be...
  34. D

    Domain and range in ovals-what's this called?

    Domain and range in ovals--what's this called? I was helping my friend with his math homework. He's in an intermediate algebra and is working on domains and ranges of functions. He came to me for help with this method of describing domains and ranges of functions using two ovals--one listing...
  35. Z

    Determine the range of capacitance

    Homework Statement FM radio stations use radio waves with frequencies from 88.0 to 108 MHz to broadcast their signals. Assuming that the inductance in an LC-tuned circuit has a value of 7.60 x 10-7 H, determine the range of capacitance values that are needed so the antenna can pick up all...
  36. P

    Projectile Range Symmetry Proof

    Homework Statement Prove that a projectile launched at angle @ has the same horizontal range as one launched with the same speed at angle (90 - @). Homework Equations Obviously kinematics will be used =/ The Attempt at a Solution I've been messing around with kinematics but...
  37. I

    Exponential Attenuation and Beta Particle Range

    Exponential Attenuation and Beta Particle Range (solved) Homework Statement I am given a beta emitter and its atomic mass, as well as the atomic mass of its daughter, which have a difference of 0.0034 amu. I am to determine the range of the particles in air. Homework Equations I am given...
  38. ?

    Finding height and range of a projectile

    Homework Statement A test rocket is launched by accelerating it along a 200.0-m incline at 1.25 m/s2 starting from rest at point A. The incline rises at 35.0° above the horizontal, and at the instant the rocket leaves it, its engines turn off and it is subject only to gravity (air resistance is...
  39. H

    Highest harmonic of a string within typical human's audible range

    Homework Statement What is the highest harmonic of this string that is within the typical human's audible range (up to 20000 Hz) String length of 16m u = liner density = 0.015 g/cm = 0.0015 kg/m stretched tension of the string = 557N Homework Equations v= sqrt ( F/ u) v= lamba...
  40. M

    Does an electron have a continous range of energies?

    i have two questions... does an electron have a continuous range of energies? I think the answer is no. am i right? and also... what does the solution of the schrodinger's equation provide?
  41. G

    Projectile, Range, Maximum Height, Time of Flight Problem

    Homework Statement Your teacher tosses a basketball. The ball gets through the hoop. How long does it take the ball to reach its maximum height? How long does it take the ball to reach the hoop? What is the horizontal length of the shot? (Neglect air friction). Initial velocity: 17 m/s...
  42. F

    Proving 45 degrees is optimal value for greatest horizontal range

    I'm still doing grade 12 physics, so my physics knowledge is VERY limited. So I have a question about proving that a projectile launched 45 degrees above horizontal gives the greatest horizontal displacement. I have to ideas to go about proving this: 1. Subbing Equations I have...
  43. V

    Moon Jumping: Calculating Acceleration, Range and Time

    Homework Statement On the surface of the moon, an astronaut jumps with a speed of 1.0 m/s at an angle of 30 degres above the horizon. A max height of .78 m is reached. a- What is the acceleration of gravity on the moon? b- Determine the horizontal range. c- How much time did this...
  44. S

    Finding initial velocity and theta, given range and height

    Homework Statement A stone is thrown down a slope. I am given the Range of the slope and the max height from spot thrown. R= 50m h= 12m Homework Equations I need to determine the magnitude of Vo and inital theta. The Attempt at a Solution First I need to find V_o: I feel that the only...
  45. I

    Specific frequency signal from a wide range of signals from a decoder

    Is it possible to separate a specific frequency signal from a wide range of signals from a decoder/demux. For an example if you had a frequency range from 1 hertz to 100 KHz, is it possible to separate a signal of let's say 60Hz from the other signals.
  46. S

    Can You Extend the Range of a Proximity RFID Tag?

    Hey guys...not sure if this is possible but is there a way to extend the range of a proximity RFID Tag. I'm looking for a way to broadcast the tag information so i don't have to walk up to the reader with a proximity tag. I'm trying to find a way to open my apartment gate by driving up to it...
  47. D

    Help with problem, only given maximum height and range

    Hello i need help with this problem where i am only given the maximum height and range. The problem is that a rocket reaches a height of 72.3 meters and had a maximum range of 111 meters. What is the launch angle? and what is the launch speed? Does anybody know how to solve it
  48. J

    Finding the Range for Square Root and Rational Functions | Homework Help

    Homework Statement find range for f(x) = sqrt of x-1 f(x) 1/x^2-1 Homework Equations no... The Attempt at a Solution well, i know this is dumb to ask, but i am very very curious... let say the first one, sqrt of x-1 if we want to find the range, obviously, you can tell...
  49. F

    Trigonometry question find range

    guys , following is the problem (sinx)^4 + (cosx)^4 and (sinx)^6 + (cosx)^6 they are asking for the range for each of them i really have know clue how to solve this...any sugeestion please?...thanks for reading this!
  50. T

    Solving trig equation for giving range

    Homework Statement (b) Solve, for 0 <= x < 360°, the equation 2tan²x + secx = 1, Homework Equations I think I have to solve it quadratically but I need to get the trigs to the same trig form The Attempt at a Solution 2\frac{sin^{2}x}{cos^{2}x} + \frac{1}{cosx} = 1 but I can't see any...
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