A series of waves traveling at 200m/sec are being generated by a 100 Hz source. A point at the very top of the crest of a certain wave is _______ meters from a corresponding point 3 'crests' away.
0
1.5
2.7
4
6.0
12.0
16.0
30000
0
1.5
2.7
4
6.0
12.0
16.0
30000