Recent content by chomsky

Homework Statement If α and \frac{1}{αα}are the roots of the equation 5x^{2}+13x+k then k will be: a) 5 b) -5 c) 13 d) 1 Homework Equations The Attempt at a Solution I've tried multiplying both the roots to get \frac{c}{a} and adding the roots to get...

Homework Statement My professor has given us a pset with this problem: A plane mechanical wave is represented by the equation y = 30 sin(30\pi t + 0.03 \pi x) Where y is measured in cm, x is measured in metres and time (t) is measured in seconds. Find (i)amplitude of particle velocity...