Period Definition and 997 Threads

Homework Statement Given: G = 6.67259 × 10−11 Nm2/kg2 The acceleration of gravity on the surface of a planet of radius R = 4190 km is 6.5 m/s2. What is the period T of a satellite in circu- lar orbit h = 14120.3 km above the surface? Answer in units of s. Homework Equations...

what are the drawbacks to use the period of a pendulum as a time standard?

Homework Statement A 340 g mass is attached to a vertical spring and lowered slowly until it rests at a new equilibrium position, which is 30 cm below the spring's original equilibrium. The spring is then set into simple harmonic motion. What is the period of the motion? Homework...

Problem: Orbital Period - eclipse time - Illumination time ?? Homework Statement An educational institute has decided to launch a small satellite having mass and volume of CubeSat specifications i.e. mass of 1.33kg and volume of 10 cm cube. Due to some launch constraints, there are three...

Homework Statement What is the period of an Earth satellite orbiting at a height of 1.80 x 10^7m above the surface of the earth? Use G = 6.67 x 10^-11 N.m2 Kg-2 Homework Equations T = SQRT 4*pi^2 * R^3/G*Mass of the earth The Attempt at a Solution I added the Earth mass and the...

I am on the "sound" chapter in my Conceptual Physics class but I just wanted to know the best way to explain in layterm: what is the difference between frequency and period?

How do you calculate the orbital period of an object, eg. a satellite, if the only known values are the radius of the orbit and the mass of the central object?

A sconds pendulum taks 1 s to move from one extreme to the other what is time period ? what is frequency ? what is the formula to use when found to time period and frequency the formula not written in our note

is there any definite way of finding the period of non trigonometric functions? can we use f(x+t)=f(x) and solve for t from this equation?

i have to find the period of sin4(x) + cos4(x) i know that the period of both the functions individually is pi , but i am unable to find the period of sum of these two functions.. pl. help!

Given the following: Its a polar graph. I am trying to figure out when is VENUS visable in the sky during this period (dawn, dusk, noon, midnight) ? How do you figure that out? Also, Venus is red, Earth is green on the chart. Thanks!

Homework Statement Find the period of the signal x(t) = 2 + 4cos(40Pi*t) + 3cos(60Pi*t) + 4cos(120Pi*t). Homework Equations The Attempt at a Solution The fundamental frequency (fo) = 10 Hz, since that's the greatest common factor of all the frequencies of the cosine signals. So...

Homework Statement The space shuttle is in a 290-mile-high orbit. What is the shuttles orbital speed? Homework Equations v=√GM/R+h The Attempt at a Solution Period: Me= 5.98x10^24kg Re= 6.38x10^6m H= 290miles * 1609m = 466610m v= √(6.67x10^-11 N)(5.98x10^24 kg)/ (6.38x10^6...

Homework Statement We will compute the orbit of Eris, the infamous \tenth planet" that caused Pluto to be demoted to \dwarf planet" status. Eris (also called 2003 UB313 in the textbook) has a semimajor axis a = 68:048 AU and eccentricity e = 0:4336 based on the best current observations...

Homework Statement Today i came across this one question where i had no clue of how to proove. it says f(x) = { 1, x rational ......{ ---------------------is periodic but have no period. (Proove it/Show it) .....{ 0, x irrational ignore the dots and dashes., just for indentation...

Homework Statement I did an experiment of mass vs. period and I got the mass in (g)rams and the period in seconds. My question is, do I have to convert the mass from grams to kilograms? Homework Equations N / A The Attempt at a Solution N / A

We've got a table of periods (in seconds) and their corresponding wavelengths for creating resonance in a closed pipe. I've been told that plotting a graph of period (on x axis) vs wavelength, and finding the gradient of that linear line will tell me the speed of sound in air. I can do that...

Homework Statement Halley’s Comet passed perihelion on 9 February 1986. It has a semi-major axis a = 17.96 AU and eccentricity e = 0.9673. (One astronomical unit (AU) is the distance between the Earth and the Sun.) Calculate the period of Halley’s Comet and the approximate date on which you...

find the period of the solution to this differential equation: 2y'' + 4y' + y = 0 I used the complementary equation 2r^2 + 4r + 1 = 0 and then used the quadratic equation to factor that into 2 roots of -2 + 2^(1/2) and -2 - 2^(1/2) and I know that 2 real, distinct roots means there is no...

Hi all, I have been looking at this question and I am having trouble sketching the wave forms. I know that during the period 0<time<0.5 the MOSFET is OFF the diode is ON i = 4amps v =0 id=0 VDS=? Then during 0.5<time<1 period the MOSFET is ON the diode is OFF. i=0 v=...

1. 1. Homework Statement : How to calculate minimum time period 't' required to complete a vertical circular motion by a cone filled with water, so that the water doesn't fall?2. Homework Equations : v^2 = gR * [ 3 + 2 cos (theta) ] obtained by applying law of conservation of energy. 3. 3...

if f(t) has period T then f(kt) has a period T/k. What is a simple proof of this.

Homework Statement It's a high school physics question that I remembered and need to understand for curiosity's sake. I'm stating the problem in my own words, so it is likely that I may be asking a wrong question. Here it is nonetheless: Derive an expression that shows that the major variable...

Hi Please explain Flux Motion Resistance in Superconductors which causes a superconductor to lose energy after a finite period of time. (Theoretically it shouldn't)

Ok just a quick question trying to work out the orbital period of an asteroid around the sun which has an orbital period 4times that of the Earth which is 1.5*10^11m i worked out the radius of the asteroid to be 6*10^11 but can't find the equation for the orbital period. Does anyone know it...

Homework Statement A body of arbitrary shape has a mass m, mass center at G with a distance of D and a radius of gyration about G of K. It is hanging, and pinned at the top. If it is displaced a slight amount of angle P from it's equilibrium position and released, determine the natural period...

Something odd i noticed while playing around with primes. We have the set of prime numbers P and a p ∈ P. Define a function f:Q → N that will give the period of the repetition in the decimal expansion of some number r ∈ Q. 1) ∀ p ∈ P: ∃ n ∈ N: ∀ q ∈ P, q < p: f(q/p) = n. So n is...

Homework Statement a satellite has period T and orbital radius R. If you wish to increase the period to 8T what must the new orbital radius be? (answer is 4R, I just don't know how to get it) Homework Equations The Attempt at a Solution

Homework Statement a satellite has a period of T and orbital radius R. If you wish to increase the period to 8T what must the new orbital radius be. (answer= 4T, I just don't know how they got it) Homework Equations R1 cubed/ T1 squared = R2 cubed/ T2 squared [FONT="Comic Sans MS"]...

Hi everyone, I'm really confused with a particular question: Homework Statement A space shuttle orbits the Earth at 6720 km from its centre. The gravitational field strength is 8.9N/kg. Calculate the shuttle's orbital period in minutes... Homework Equations g=4pi^2...

Forgive me if this is a stupid question. In any explosion/expansion isn't there a period of acceleration before slowing? Could the universe still be in this accelerating period? What would that do to the size of the big bang?

Homework Statement A particle moves with SHM through two points p and q 1.2 metres apart. It takes 3 seconds to move from p to q and 3 seconds to move from q to q, i.e. passing q the next time. Find the period of the particle and the amplitude. Homework Equations x = ACos(wt + a) v...

Hi Everyone, First time poster, longtime viewer of these forums. Love the help that the community gives. Just so you know where I am coming from: I am trying to calculate the average power by first calculating the total energy of my system. Specifically I am looking at the energy...

In the standard double slit experiment, what time period is measured between the emission (t=0) and detection (t=T) of a single photon? I ask because clearly the photon does not take a single, well-defined path, as it would if it were a classical particle. Suppose that I set up an experiment...

Hi there, Sorry typo in the title and I can't figure out how to change it! I am just wondering if anyone can help me - does damping (drag) increase the period of a pendulum? As opposed to if it was in a vacuum? I have been trying to figure this out for some time - I know that drag is dependent...

Homework Statement A holiday ornament in the shape of a hollow sphere with mass 1.0×10−2 kg and radius 5.0×10−2 m is hung from a tree limb by a small loop of wire attached to the surface of the sphere. If the ornament is displaced a small distance and released, it swings back and forth as a...

Homework Statement a) How much work must you do to push a 13.0 kg block of steel across a steel table (\mu_{k}=0.6) at a steady speed of 1.30 m/s for 8.30 s? b) What is your power output while doing so?Homework Equations W=\vec{F}*\Delta S F_{f}=u_{k}*n F=ma The Attempt at a Solution First I...

Homework Statement The problem is as follows: Let f be a real valued function that is Riemann integrable on [a,b]. Show that \lim_{\lambda \rightarrow \infty} \int_{a}^{b} f(x)\cos(\lambda x)dx = 0 . Homework Equations I am freely able to use the fact that the product of...

Homework Statement Transverse waves on a string have wave speed 8.00 {\rm m/s}, amplitude 0.0700 {\rm m}, and wavelength 0.320 {\rm m}. These waves travel in the x direction, and at t = 0 the x = 0 end of the string is at y = 0 and moving downward. Find the frequency of these waves...

Homework Statement GPS (Global Positioning System) satellites orbit at an altitude of 2.6×107 . Find the orbital period. Find the orbital speed of such a satellite. Homework Equations I would like to know how to approach this. I don't know where to start w/o other figures. The...

Homework Statement A mass m slides on a frictionless horizontal surface, connected to two springs. If the springs have force constants k1 and k2, show that the simple harmonic sliding motion has period: T = 2pi*sq root(m(k1+k2)/(k1k2) There is a diagram and the springs are connected...

1. Homework Statement Derive and show that the period for a thick ring would be T=2π√[d/g+(ΔR)^2/4Rg] 2. Homework Equations "the ring pendulum consists of a thin metal ring that can be suspended from a knife edge. The ring has inner radius Ri and outer radius Ro. A notch is cut...

Homework Statement The mass of a star is 1.370×1031 kg and it performs one rotation in 38.10 day. Find its new period (in days) if the diameter suddenly shrinks to 0.330 times its present size. Assume a uniform mass distribution before and after. Homework Equations Ii * Wi = If * Wf...

Homework Statement i understand how to find the period of a trig equation... (either 2pi/|b| for sin and cos or pi/|b| for tan etc. but i do not understand what information the period tells me.. Homework Equations alright for example.. if my problem is y= 4sin2x The...

Homework Statement A binary star consists of two stars that are orbiting a common centre. The only force acting on the stars is the gravitational force of attraction in a direction along the line joining the stars. a) Explain carefully why the total momentum of the binary is constant...

Homework Statement What is the exact period of the function f(x)= 6 sin (4x+pi) = a sin (b) Homework Equations Period= 2pi/(abs b) The Attempt at a Solution I found the period as 2pi/(4+pi), this is said to be no the...

Qs: How "Group" and "Period" affect semiconductors Background: I have a BS in CompSci, not Physics, so if this question stuns you in its naivete, please forgive me. In the last couple weeks, I have been reading up on PN junctions and how they work. I've also seen the standard Si/Ge (Group IV) +...

I already did the first part, and the equation for the period becomes: T=2\pi(ml/\gammaPA)(1/2) I know 12 litres = 0.012 m3, and the the mass of the ball is the volume of a sphere of radius 0.01m x the density = 0.0318 Kg, for pressure I am not sure whether I am suppose to use 1 atm or 101.3...

Take two rows of respective length m and n: a1, a2, a3,..., am and b1, b2, b3, ..., bn. Then produce as follows the generated array Gai to contain these elements: a1, a1+a2, a1+a2+a3, ..., a1+..+am, a1+..+am+a1, a1+..+am+a1+a2, ... Alike produce the generated array Gbj to contain...

Homework Statement Calculate the Orbital Period for the following: Earth's orbit to the Sun. I get stuck towards the end. I must use Newton's second law and have the Universal Law of Gravitation equal the Centrifugal Force. Newton's gravitational constant: G= 6.67*10^-11 Nm^2/kg^2 Mass of...