Give a unit vector in the same direction.
- Use the domain, units and sampling assumptions stated in the question.
Skills and prerequisite lessons
Working and explanation
BUILD THE REASONING
Hint 1
Separate magnitude, direction and position; compare vectors by displacement.
Hint 2
Divide by the positive magnitude.
Worked solution
Separate magnitude, direction and position; compare vectors by displacement.
Calculate or simplify this relation.
Normalizing a zero vector would be undefined.
(3/5,4/5).
Checks and common pitfalls: Normalizing a zero vector would be undefined.
Reasoning checklist · self / teacher assessment
- State the relevant definition, condition or model.
- Show a valid calculation, proof or counterexample.
- Interpret the conclusion with its restrictions.
Think first. Reveal a hint when the class is ready.