Recent content by Ofir12

I'm not sure if this is the right way to draw this, and how to approach the question. I know that I'm looking for an angle between 2 vectors (shore and boat). Actually they didn't mention the word "optimum" in the question, they just asked what is the angle. (I assumed that it should be optimum...

A child is in danger of drowning in the river. The river has a current of 2.5 km/hr . The child is 0.6 km from the shore. A rescue boat with speed 20.0 km/hr (with respect to the water) ,located 0.8km downstream, sets off from the shore. What would be the optimum angle (shore -> boat ) to reach...