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...
Matter made-up of __________? And: Small particles. Matters around us exist in which form? And:3 different froms they are: solid, liquid and gas. In which medium force of attraction is maximum and...