Add realworld_subset/ConservationofMomentum/InelasticCollision/1

realworld_subset/ConservationofMomentum/InelasticCollision/1/annotation.txt

@@ -0,0 +1,3 @@
+Environment: g=9.81, F_drag=!=0
+LeftTennisBall: e = 0.75, m = 0.06, v_0 = 0.93
+RightTennisBall: e = 0.75, m = 0.06, v_0 = 0.25

realworld_subset/ConservationofMomentum/InelasticCollision/1/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": 0.933055,
+      "initial_velocity_v": 0,
+      "mass": 0.06,
+      "name": "LeftTennisBall",
+      "restitution": 0.75,
+      "static": false
+    },
+    {
+      "id": 2,
+      "initial_velocity_u": -0.253547,
+      "initial_velocity_v": 0,
+      "mass": 0.06,
+      "name": "RightTennisBall",
+      "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/1/formula_info.json

@@ -0,0 +1,18 @@
+{
+  "correct_letter": "C",
+  "correct_formula": "e = (v_2f - v_1f) / (v_1i - v_2i)",
+  "annotation": "Environment: g=9.81, F_drag=!=0\nLeftTennisBall: e = 0.75, m = 0.06, v_0 = 0.93\nRightTennisBall: e = 0.75, m = 0.06, v_0 = 0.25",
+  "choices": [
+    "σ = F/a² = E·ε",
+    "J = m_1·m_2·(v_1i - v_2i)·(1+e) / (m_1 + m_2) · sinθ",
+    "e = (v_2f - v_1f) / (v_1i - v_2i)",
+    "F = k·q_1·q_2 / r²"
+  ],
+  "correct_index": 2,
+  "physics_type": "InelasticCollision",
+  "seed": "InelasticCollision|ConservationofMomentum/InelasticCollision/1",
+  "is_realworld": true,
+  "dropped_wrong_formulas": [
+    "W_f = ∫ μ_k·m·g·ds = ΔE_k"
+  ]
+}

realworld_subset/ConservationofMomentum/InelasticCollision/1/initial_state/initial_velocity.json

@@ -0,0 +1,25 @@
+{
+  "video_path": "data/processed/ConservationofMomentum/InelasticCollision/1/rgb/video.mp4",
+  "fps": 30.0,
+  "scale_px": 61.0,
+  "scale_meters": 0.067,
+  "meters_per_pixel": 0.001098,
+  "velocities": {
+    "1": {
+      "u_ms": 0.933055,
+      "v_ms": -0.034107,
+      "speed_ms": 0.933678,
+      "du_px": 28.3166,
+      "dv_px": -1.0351,
+      "static": false
+    },
+    "2": {
+      "u_ms": -0.253547,
+      "v_ms": -0.015032,
+      "speed_ms": 0.253992,
+      "du_px": -7.6947,
+      "dv_px": -0.4562,
+      "static": false
+    }
+  }
+}

realworld_subset/ConservationofMomentum/InelasticCollision/1/initial_state/instance_segmentation_0000.npy

@@ -0,0 +1,3 @@
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+oid sha256:ec96223570fd59e432b76a597bde75f99eb2426e63158bed68b697335ec0e11e
+size 2048128

realworld_subset/ConservationofMomentum/InelasticCollision/1/initial_state/mask_0000.npy

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+size 1024128

realworld_subset/ConservationofMomentum/InelasticCollision/1/instance_segmentation/maps.npz

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+oid sha256:5d5b79bde70749898fbba4157c077335b2dcc23c6b59664bea800f949024aa9b
+size 75652

realworld_subset/ConservationofMomentum/InelasticCollision/1/instantaneous_velocity/mask.npy

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+version https://git-lfs.github.com/spec/v1
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+size 1024128

realworld_subset/ConservationofMomentum/InelasticCollision/1/instantaneous_velocity/velocity.json

@@ -0,0 +1,27 @@
+{
+  "video_path": "/mnt/afs/fanweichen/yrm/VMEvalKit/preprocess/data/processed/ConservationofMomentum/InelasticCollision/1/rgb/video.mp4",
+  "fps": 30.0,
+  "time_seconds": 0.6,
+  "frame_index": 18,
+  "scale_px": 61.0,
+  "scale_meters": 0.067,
+  "meters_per_pixel": 0.001098,
+  "velocities": {
+    "1": {
+      "u_ms": 0.037095,
+      "v_ms": -0.019286,
+      "speed_ms": 0.041809,
+      "du_px": 1.1261,
+      "dv_px": -0.5855,
+      "static": false
+    },
+    "2": {
+      "u_ms": 0.36281,
+      "v_ms": 0.010027,
+      "speed_ms": 0.362948,
+      "du_px": 11.0143,
+      "dv_px": 0.3044,
+      "static": false
+    }
+  }
+}

realworld_subset/ConservationofMomentum/InelasticCollision/1/mask/maps.npz

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+size 42573

realworld_subset/ConservationofMomentum/InelasticCollision/1/physics_duration.txt

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+1.0

realworld_subset/ConservationofMomentum/InelasticCollision/1/rgb/video.mp4

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