A unit-vector constraint
A unit-vector constraint
4 marks
TGM Original
The vector (k)/(5) i+ 45 j is a unit vector. Find all values of k, and identify which gives an easterly component.
Solution:
Solution locked
680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs tuition enrolment.
Create a free account to practise similar questions.
Answer:\(k=\pm3;\quad k=3\text{ gives east}\)
Need help? Join our JC Math tuition classes.
Learn more