Recent content by shawen

hi, i reallyt need help in this question. i tried this but i am not sure how to start this, so if you can provide me little help i will really appreciate it its based on OP AMP circuit thanks guys

How far toward either speaker must the observer walk to experience destructive interference?

Two loudspeakers are placed facing each 4.0 m apart. The speakers emit sound in phase with a frequency of 266 Hz. An observer at the center (2.0 m from each speaker along the line joining them) experiences constructive interference. The speed of sound is 343 m/s The lowest frequency at which...

find the values of k and m so that the line x+1/k = y-2/m = z+3/1 is perpendicilar to the plane through the points U(1,3,8) , W(0,1,1) , and v(4,2,0).PLEASE HELP ME THANKS a lot :)

determine the point (a,F(a)) for which F'(a)=a, given that f(x)= -x^2+3x-7. write the equation of the tangent to f(x) at the point found 1) i have tried putting into first principle but when i do my denominator become 0 so i am kind stuck , i don't know what to do please help me thanks so much