Question
A hunter wishes to cross a river that is 2.5 km wide and that flows with a speed of 4.8 km/h. The hunter uses a small powerboat that moves at a utmost speed of 11.2 km/h with respect to the water. What is the least time necessary for crossing?
(a) state your answer in terms of the unit vectors and.
(b) establish the car's average speed
(c) Determine its average acceleration during the 36.0-s interval.?A car originally travelling eastward turns north by travelling in a circular path at uniform speed .The length of the arc ABC is 235 m, and the car completes the turn in 36.0 s. (a) what is acceleration while the car is at B located at an angle of 35.0