Magnitude and direction, unit vector Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | 3√2 and θ = 45° | Easy | Solved step by step |
| 2 | 4 and θ = 90° | Easy | Solved step by step |
| 3 | 2√2 and θ = 45° | Easy | Solved step by step |
| 4 | 6 and θ = 180° | Easy | Solved step by step |
| 5 | u = (0, −1) | Easy | Solved step by step |
| 6 | 4√2 and θ = 225° | Medium | Solved step by step |
| 7 | 2√2 and θ = 315° | Medium | Solved step by step |
| 8 | u = (35, −45) | Medium | Solved step by step |
| 9 | u = (−513, 1213) | Medium | Solved step by step |
| 10 | u = (817, 1517) | Harder | Solved step by step |
Grade
Count your right answers and divide by the number of questions: A 90% or more, B 80%, C 70%, D 60%, F below 60%.