Add realworld_subset/ConservationofMomentum/InelasticCollision/4

realworld_subset/ConservationofMomentum/InelasticCollision/4/annotation.txt

@@ -0,0 +1,3 @@
+Environment: g=9.81, F_drag=!=0
+Floorball: e = 0.86, m = 0.02, v_0 = 0.0
+TennisBall: e = 0.75, m = 0.06, v_0 = 0.61

realworld_subset/ConservationofMomentum/InelasticCollision/4/annotation_config.json

@@ -0,0 +1,53 @@
+{
+  "environment": {
+    "air_resistance": "!=0",
+    "gravity": 9.81
+  },
+  "ground": {
+    "dynamic_friction": "TODO",
+    "label": "Ground",
+    "static_friction": "TODO"
+  },
+  "objects": [
+    {
+      "id": 1,
+      "initial_velocity_u": 0,
+      "initial_velocity_v": 0,
+      "mass": 0.023,
+      "name": "Floorball",
+      "restitution": 0.86,
+      "static": true
+    },
+    {
+      "id": 2,
+      "initial_velocity_u": -0.612826,
+      "initial_velocity_v": 0,
+      "mass": 0.06,
+      "name": "TennisBall",
+      "restitution": 0.75,
+      "static": false
+    }
+  ],
+  "render": {
+    "axes_arrow_head_width": 20,
+    "axes_arrow_length": 75,
+    "axes_arrow_width": 8,
+    "fontsize": 20,
+    "margin_axes_range": [
+      5,
+      50
+    ],
+    "margin_env_range": [
+      5,
+      50
+    ],
+    "margin_ground_range": [
+      5,
+      50
+    ],
+    "velocity_arrow_head_width": 30,
+    "velocity_arrow_length": 100,
+    "velocity_arrow_width": 10
+  },
+  "task_type": "inelastic_collision"
+}

realworld_subset/ConservationofMomentum/InelasticCollision/4/formula_info.json

@@ -0,0 +1,18 @@
+{
+  "correct_letter": "A",
+  "correct_formula": "m_1·v_1i + m_2·v_2i = m_1·v_1f + m_2·v_2f",
+  "annotation": "Environment: g=9.81, F_drag=!=0\nFloorball: e = 0.86, m = 0.02, v_0 = 0.0\nTennisBall: e = 0.75, m = 0.06, v_0 = 0.61",
+  "choices": [
+    "m_1·v_1i + m_2·v_2i = m_1·v_1f + m_2·v_2f",
+    "E_rot = (1/2)·(1/6·m·a²)·ω²",
+    "B = μ_0·I / (2π·r)",
+    "ΔE = (1/2)·m_1·m_2·e²·(v_1i - v_2i)² / (m_1 + m_2)"
+  ],
+  "correct_index": 0,
+  "physics_type": "InelasticCollision",
+  "seed": "InelasticCollision|ConservationofMomentum/InelasticCollision/4",
+  "is_realworld": true,
+  "dropped_wrong_formulas": [
+    "W_f = ∫ μ_k·m·g·ds = ΔE_k"
+  ]
+}

realworld_subset/ConservationofMomentum/InelasticCollision/4/initial_state/initial_velocity.json

@@ -0,0 +1,25 @@
+{
+  "video_path": "data/processed/ConservationofMomentum/InelasticCollision/4/rgb/video.mp4",
+  "fps": 30.0,
+  "scale_px": 65.0077,
+  "scale_meters": 0.067,
+  "meters_per_pixel": 0.001031,
+  "velocities": {
+    "1": {
+      "u_ms": 0.0,
+      "v_ms": 0.0,
+      "speed_ms": 0.0,
+      "du_px": 0.0,
+      "dv_px": 0.0,
+      "static": true
+    },
+    "2": {
+      "u_ms": -0.612826,
+      "v_ms": -0.01228,
+      "speed_ms": 0.612949,
+      "du_px": -19.8201,
+      "dv_px": -0.3972,
+      "static": false
+    }
+  }
+}

realworld_subset/ConservationofMomentum/InelasticCollision/4/initial_state/instance_segmentation_0000.npy

@@ -0,0 +1,3 @@
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+oid sha256:daa8b740948ae7f3f075c116af176035142c3c1a5ec797b2733205df3d716155
+size 2048128

realworld_subset/ConservationofMomentum/InelasticCollision/4/initial_state/mask_0000.npy

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+size 1024128

realworld_subset/ConservationofMomentum/InelasticCollision/4/instance_segmentation/maps.npz

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+size 77919

realworld_subset/ConservationofMomentum/InelasticCollision/4/instantaneous_velocity/mask.npy

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+size 1024128

realworld_subset/ConservationofMomentum/InelasticCollision/4/instantaneous_velocity/velocity.json

@@ -0,0 +1,27 @@
+{
+  "video_path": "/mnt/afs/fanweichen/yrm/VMEvalKit/preprocess/data/processed/ConservationofMomentum/InelasticCollision/4/rgb/video.mp4",
+  "fps": 30.0,
+  "time_seconds": 0.6,
+  "frame_index": 18,
+  "scale_px": 65.0077,
+  "scale_meters": 0.067,
+  "meters_per_pixel": 0.001031,
+  "velocities": {
+    "1": {
+      "u_ms": -0.324281,
+      "v_ms": -0.003763,
+      "speed_ms": 0.324303,
+      "du_px": -10.4844,
+      "dv_px": -0.1217,
+      "static": false
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+      "v_ms": -0.007476,
+      "speed_ms": 0.266103,
+      "du_px": -8.6,
+      "dv_px": -0.2417,
+      "static": false
+    }
+  }
+}

realworld_subset/ConservationofMomentum/InelasticCollision/4/mask/maps.npz

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realworld_subset/ConservationofMomentum/InelasticCollision/4/physics_duration.txt

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+1.0

realworld_subset/ConservationofMomentum/InelasticCollision/4/rgb/video.mp4

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