ashley111

it i'll be 60m as there is no external force acting except gravitational force ,do its path should be at the range of parabolic path range(R)=u^2sin(theta)/g here u=20,theta=45,g=10 thus R=20^2sin45/10=4 conservation of momentum m1d1+m2d2=md m/2*20+m/2*d2...