1. Write vector equations for each diagram below. [2 marks] a. c B А с b. D A B D с
2. A swimmer can travel 2.8 mph in still water. She heads directly across a river whose current is 1.2 mph. A. Draw a properly labelled diagram to illustrate all the given information and what is required to be found. [3 marks] B. Calculate the resultant magnitude of the swimmer's speed. [2 marks] C. In comparison to her speed of 2.8 mph, is your answer from above reasonable? State why. [1 mark] D. Calculate her resultant direction (in degrees). [2 marks]
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