| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| an observer moves towards a stationary source | 0.76 | 0.9 | 2494 | 88 | 45 |
| an | 1.51 | 1 | 1239 | 40 | 2 |
| observer | 1.29 | 0.9 | 6060 | 78 | 8 |
| moves | 0.75 | 0.3 | 2338 | 87 | 5 |
| towards | 0.89 | 0.6 | 5705 | 8 | 7 |
| a | 0.04 | 0.8 | 8332 | 58 | 1 |
| stationary | 0.35 | 0.4 | 5901 | 59 | 10 |
| source | 1.95 | 0.9 | 3997 | 75 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| an observer moves towards a stationary source | 1.36 | 1 | 7957 | 22 |
| a train moves towards a stationary observer | 1.25 | 0.7 | 3785 | 81 |
| a stationary observer receives sound | 0.2 | 1 | 411 | 72 |
| at a particular instant a stationary observer | 0.64 | 0.8 | 4143 | 7 |
| the work done in moving an observer | 0.98 | 0.7 | 5553 | 96 |
| due to the position of the observer | 0.65 | 0.3 | 8592 | 73 |
| movement of a stationary object | 0.91 | 0.8 | 8765 | 2 |
| stationary objects appear to move | 0.92 | 0.4 | 16 | 38 |
| relating to an observer | 0.8 | 0.7 | 828 | 47 |
| stationeers the plant is thriving towards | 1.27 | 0.4 | 1019 | 7 |
| observation_sources | 1.55 | 0.1 | 3341 | 82 |
