Suppose an object having mass m has an initial velocity u and after certain time t it attains a velocity v.
Now momentum P1=mu and P2=mv
So change in momentum
=P2-P1=mv-mu
=m(v-u)
So the rate of change...
QUESTION
Q) Let ‘A’ = (x^2 - 3x + 4) / (x^2 + 3x + 4) Then the minimum value that ‘A’ can undertake for all real values of x, lies in which of these intervals? A) (-inf, -2) B)...