
Finding the wavelength from the work function in photoemission
Apr 27, 2012 · The relevant formula derived is λ = hc/σ, where λ is the wavelength, h is Planck's constant, c is the speed of light, and σ is the work function. The calculated maximum …
Calculating Uncertainty With A Sine Function - Physics Forums
Dec 2, 2011 · The discussion centers on calculating uncertainty in a sine function, specifically h = sin (24.0°) * (180.0 cm * (1 m / 100 cm)), with uncertainties of ±0.5° for the angle and ±0.5 cm …
Learn How to Solve the Cubic Equation for Dummies
Oct 2, 2016 · Everybody learns the “quadratic formula” for solving equations of the form A x 2 + B x + C = 0, even though you don’t really need such a formula, because you can solve for x …
Power Formula: Frequency & Electrical Power Explained - Physics …
Mar 6, 2015 · The discussion centers on the relationship between electrical power, frequency, and RMS values. It is established that electrical power is calculated using the formula P = V * I * …
How to Calculate the Magnitude and Phase of the Transfer …
Aug 17, 2021 · Learn about transfer function analysis in control theory Explore Euler's formula applications in signal processing Research methods for calculating phase angles in complex …
Acceleration as a function of position - Physics Forums
Jan 10, 2025 · The acceleration of a particle is given as a function of position: a (x) = (2 s^-2)x I needed to calculate the velocity at a given position x. I initially thought I could solve this by …
How Can Gravity Be Expressed as a Function of Density?
Aug 12, 2011 · The discussion centers on expressing gravitational strength as a function of a planet's average density. The formula derived is g (density) = (density * 4 * π / 3) * G * r, …
Simulating Sawtooth Wave in Excel: Tips & Tricks - Physics Forums
Jul 24, 2014 · This discussion focuses on simulating a sawtooth wave using Excel, specifically through the application of Fourier series. The user successfully created a sawtooth wave …
Learn Partial Differentiation Without Tears - Physics Forums
Oct 21, 2016 · Given that context, is a function from to such that is the formula specified in the fundamental equation, which is the heat energy in a system whose other extensive parameters …
The number of sidebands of an FM signal and its associated magnitude coefficient can be found with the help of Bessel function tables such as the one shown in Table 1.