Add realworld_subset/ConservationofMomentum/InelasticCollision/9

realworld_subset/ConservationofMomentum/InelasticCollision/9/annotation.txt

@@ -0,0 +1,3 @@
+Environment: g=9.81, F_drag=!=0
+YellowPingPongBall: e = 0.71, m = 0.003, v_0 = 0.36
+WhitePingPongBall: e = 0.71, m = 0.003, v_0 = 1.43

realworld_subset/ConservationofMomentum/InelasticCollision/9/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": -0.360165,
+      "initial_velocity_v": 0,
+      "mass": 0.0027,
+      "name": "YellowPingPongBall",
+      "restitution": 0.71,
+      "static": false
+    },
+    {
+      "id": 2,
+      "initial_velocity_u": -1.433728,
+      "initial_velocity_v": 0,
+      "mass": 0.0027,
+      "name": "WhitePingPongBall",
+      "restitution": 0.71,
+      "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/9/formula_info.json

@@ -0,0 +1,18 @@
+{
+  "correct_letter": "B",
+  "correct_formula": "e = (v_2f - v_1f) / (v_1i - v_2i)",
+  "annotation": "Environment: g=9.81, F_drag=!=0\nYellowPingPongBall: e = 0.71, m = 0.003, v_0 = 0.36\nWhitePingPongBall: e = 0.71, m = 0.003, v_0 = 1.43",
+  "choices": [
+    "E = σ·T⁴·A",
+    "e = (v_2f - v_1f) / (v_1i - v_2i)",
+    "ΔE_loss = (1/2)·e²·(m_1·m_2)/(m_1+m_2)·(v_1i + v_2i)²",
+    "σ = F/a² = E·ε"
+  ],
+  "correct_index": 1,
+  "physics_type": "InelasticCollision",
+  "seed": "InelasticCollision|ConservationofMomentum/InelasticCollision/9",
+  "is_realworld": true,
+  "dropped_wrong_formulas": [
+    "W_f = ∫ μ_k·m·g·ds = ΔE_k"
+  ]
+}

realworld_subset/ConservationofMomentum/InelasticCollision/9/initial_state/initial_velocity.json

@@ -0,0 +1,25 @@
+{
+  "video_path": "data/processed/ConservationofMomentum/InelasticCollision/9/rgb/video.mp4",
+  "fps": 30.0,
+  "scale_px": 42.0,
+  "scale_meters": 0.04,
+  "meters_per_pixel": 0.000952,
+  "velocities": {
+    "1": {
+      "u_ms": -0.360165,
+      "v_ms": -0.016769,
+      "speed_ms": 0.360555,
+      "du_px": -12.6058,
+      "dv_px": -0.5869,
+      "static": false
+    },
+    "2": {
+      "u_ms": -1.433728,
+      "v_ms": -0.007114,
+      "speed_ms": 1.433746,
+      "du_px": -50.1805,
+      "dv_px": -0.249,
+      "static": false
+    }
+  }
+}

realworld_subset/ConservationofMomentum/InelasticCollision/9/initial_state/instance_segmentation_0000.npy

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:938c979f86fe9caeda32961df3e2d8ddf28f8b904823eb9cad58dd03a36fee49
+size 2048128

realworld_subset/ConservationofMomentum/InelasticCollision/9/initial_state/mask_0000.npy

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+size 1024128

realworld_subset/ConservationofMomentum/InelasticCollision/9/instance_segmentation/maps.npz

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+size 37206

realworld_subset/ConservationofMomentum/InelasticCollision/9/instantaneous_velocity/mask.npy

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+size 1024128

realworld_subset/ConservationofMomentum/InelasticCollision/9/instantaneous_velocity/velocity.json

@@ -0,0 +1,27 @@
+{
+  "video_path": "/mnt/afs/fanweichen/yrm/VMEvalKit/preprocess/data/processed/ConservationofMomentum/InelasticCollision/9/rgb/video.mp4",
+  "fps": 30.0,
+  "time_seconds": 0.4,
+  "frame_index": 12,
+  "scale_px": 42.0,
+  "scale_meters": 0.04,
+  "meters_per_pixel": 0.000952,
+  "velocities": {
+    "1": {
+      "u_ms": -0.821384,
+      "v_ms": -0.017492,
+      "speed_ms": 0.82157,
+      "du_px": -28.7599,
+      "dv_px": -0.6125,
+      "static": false
+    },
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+      "v_ms": -0.009448,
+      "speed_ms": 0.532504,
+      "du_px": -18.6422,
+      "dv_px": -0.3308,
+      "static": false
+    }
+  }
+}

realworld_subset/ConservationofMomentum/InelasticCollision/9/mask/maps.npz

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+size 20572

realworld_subset/ConservationofMomentum/InelasticCollision/9/physics_duration.txt

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+0.5

realworld_subset/ConservationofMomentum/InelasticCollision/9/rgb/video.mp4

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