2. Problem 2.11. Use the function and sample rate of problem 2.10. Let Δ = 0.5V (see p. 109 in text). Sketch the resulting staircase approximation (superimposed on s(t)) and… Click here to read more
Welcome to Physics Homework - Questions & Answers
This site was started back in 2008, and features, among others, a collection of physics homework exercises and tutorials for all levels of physics students (high school and college).
We hope our site will help you advance in your studies and make it easier to understand physics, hence the world that surrounds us!
All the contents of this site were written by Valentin Bogatu (Physics, PhD).
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1. Problem 2.1. Do parts (a) and (c), skipping (b). Sketch the waveform for the first 1 msec, rather than 3 msec. Use 3 bits plus a sign bit, i.e.,… Click here to read more
The definition of the effective charge In this paper we will determine the effective charge of an electron. The effective charge is by definition the ratio (e/m). Background Information and… Click here to read more
Circle moment of inertia Find the principal moments of inertia of a circle of radius $R$ and mass $m$. Use the integration over the circle length. (Hint: first define the… Click here to read more
The supernova expansion In a supernova explosion, initially the supernova expands freely. Then the supernova enters a new stage when in the existent gas around the star, shock waves push… Click here to read more