| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| a sound source is moving towards a stationary | 0.27 | 0.1 | 5806 | 82 | 45 |
| a | 1.67 | 0.9 | 8894 | 47 | 1 |
| sound | 0.94 | 1 | 6078 | 64 | 5 |
| source | 0.94 | 0.9 | 7955 | 16 | 6 |
| is | 1.17 | 0.6 | 461 | 98 | 2 |
| moving | 0.77 | 0.3 | 5820 | 28 | 6 |
| towards | 0.46 | 0.4 | 2775 | 92 | 7 |
| a | 0.99 | 0.1 | 8126 | 58 | 1 |
| stationary | 0.13 | 0.2 | 8629 | 77 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| a sound source is moving towards a stationary | 1.41 | 0.5 | 8681 | 93 |
| a stationary source emits sound of frequency | 1.47 | 0.4 | 8508 | 14 |
| a source of sound is travelling towards | 0.08 | 0.6 | 4021 | 63 |
| what is a stationary source | 1.71 | 0.1 | 3084 | 99 |
| a stationary observer receives sound | 1.62 | 0.1 | 9634 | 32 |
| a source of sound a emitting | 1.36 | 0.7 | 3159 | 93 |
| if you're standing directly the sound source | 0.79 | 0.9 | 6714 | 3 |
| if your standing directly the sound source | 0.05 | 0.8 | 5998 | 75 |
| physics source of sound | 0.01 | 0.5 | 8382 | 8 |
| a source emits sound waves isotropically | 0.35 | 0.4 | 1520 | 15 |
| in a stationary wave | 1.94 | 0.7 | 6858 | 85 |
| stationary and non-stationary noise | 1.42 | 0.6 | 791 | 66 |
