P Phoenix New member May 8, 2010 #1 If the speed boat in a river is 40km per hour, the speed fo the wind is 30km per hour in an angle of 60 degree to the boat, what is the actual speed of the boat???
If the speed boat in a river is 40km per hour, the speed fo the wind is 30km per hour in an angle of 60 degree to the boat, what is the actual speed of the boat???
