A man wishes to cross a river flowing with velocity u jumps at an angle theta with the river flow. Find out the net velocity of the man with respect to ground if he can swim with speed v. also find how for from the point directly opposite to th estarting point does the boat reach the opposite bank . In what direction does the boat actually move. If the width of the river is d.

A man wishes to cross a river flowing with velocity u jumps at an angl

1.	A man wishes to cross a river flowing with velocity u jumps at an angle theta with the river flow. Find out the net velocity of the man with respect to ground if he can swim with speed v. also find how for from the point directly opposite to th estarting point does the boat reach the opposite bank . In what direction does the boat actually move. If the width of the river is d.
Answer» Solution :Velocity of MAN `=V_(M)=sqrt(u^(2)+V^(2)+2V ucos theta)` `tanphi=(vsintheta)/(u+v costheta)` `(vsin theta)t=d RARR t=d/(v SIN theta)` `x=(u+v costheta )t=(u+v costheta)d/(v sin theta)`