NODE 734 — TERMINAL RELAY

{
  "type": "hydraulic",
  "buckets": [
    {
      "id": 0,
      "letter": "f",
      "area_cm2": 20,
      "tap_angle_deg": 41,
      "water_height_cm": 0.55
    },
    {
      "id": 1,
      "letter": "j",
      "area_cm2": 21,
      "tap_angle_deg": 31,
      "water_height_cm": 0.39
    },
    {
      "id": 2,
      "letter": "q",
      "area_cm2": 46,
      "tap_angle_deg": 56,
      "water_height_cm": 0.32
    },
    {
      "id": 3,
      "letter": "f",
      "area_cm2": 23,
      "tap_angle_deg": 63,
      "water_height_cm": 0.73
    },
    {
      "id": 4,
      "letter": "f",
      "area_cm2": 26,
      "tap_angle_deg": 73,
      "water_height_cm": 0.75
    },
    {
      "id": 5,
      "letter": "r",
      "area_cm2": 37,
      "tap_angle_deg": 38,
      "water_height_cm": 0.27
    }
  ],
  "K": 4,
  "open_duration": 6,
  "n_chars": 6,
  "max_height": 0.75,
  "hint": "f = K \u00d7 (\u03b8/90\u00b0), K=4. V = f \u00d7 t. h = V / area. t is the same for every bucket. Sort buckets by water_height_cm ascending and read the letters.",
  "answer_format": "lowercase word, no spaces or punctuation"
}