1. Determine the equivalent directions for the given vectors.
a. 35° N of E b. 20° W of S c. S 40° E d. N 65° W
2. Determine the equilibrant of the given vectors by (a) parallelogram method and (b) triangle method. Use the given scale for your answer.
C = 10 kph, 12degrees N of W E = 15 kph, 83degrees S of E
3. A sailor in a small boat encounters shifting winds. She sails 8 km south, then 15 km 30o E of N, and then 12 km 25o N of W. Use polygon method to determine the magnitude and direction of her resultant displacement.
4. Solve for the required using the given vectors
A = 3i – 8j + 6k B = 4 j + 9k – 5i C = 7k a. A ∙B b. A ×B c. (A ×B)×C d. (B×C)∙A
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