Add realworld_subset/ConservationofMomentum/InelasticCollision/2

realworld_subset/ConservationofMomentum/InelasticCollision/2/annotation.txt

@@ -0,0 +1,3 @@
+Environment: g=9.81, F_drag=!=0
+LeftSteelBall: e = 0.6, m = 0.26, v_0 = 0.42
+RightSteelBall: e = 0.6, m = 0.26, v_0 = 1.1

realworld_subset/ConservationofMomentum/InelasticCollision/2/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": -0.421126,
+      "initial_velocity_v": 0,
+      "mass": 0.26,
+      "name": "LeftSteelBall",
+      "restitution": 0.6,
+      "static": false
+    },
+    {
+      "id": 2,
+      "initial_velocity_u": -1.097215,
+      "initial_velocity_v": 0,
+      "mass": 0.26,
+      "name": "RightSteelBall",
+      "restitution": 0.6,
+      "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/2/formula_info.json

@@ -0,0 +1,18 @@
+{
+  "correct_letter": "B",
+  "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\nLeftSteelBall: e = 0.6, m = 0.26, v_0 = 0.42\nRightSteelBall: e = 0.6, m = 0.26, v_0 = 1.1",
+  "choices": [
+    "ΔS = Q_rev / T",
+    "m_1·v_1i + m_2·v_2i = m_1·v_1f + m_2·v_2f",
+    "ΔE = (1/2)·[(m_1·m_2) / (m_1 + m_2)]·(v_1i - v_2i)²",
+    "ΔE_loss = (1/2)·e²·(m_1·m_2)/(m_1+m_2)·(v_1i + v_2i)²"
+  ],
+  "correct_index": 1,
+  "physics_type": "InelasticCollision",
+  "seed": "InelasticCollision|ConservationofMomentum/InelasticCollision/2",
+  "is_realworld": true,
+  "dropped_wrong_formulas": [
+    "W_f = ∫ μ_k·m·g·ds = ΔE_k"
+  ]
+}

realworld_subset/ConservationofMomentum/InelasticCollision/2/initial_state/initial_velocity.json

@@ -0,0 +1,25 @@
+{
+  "video_path": "data/processed/ConservationofMomentum/InelasticCollision/2/rgb/video.mp4",
+  "fps": 30.0,
+  "scale_px": 57.0,
+  "scale_meters": 0.04,
+  "meters_per_pixel": 0.000702,
+  "velocities": {
+    "1": {
+      "u_ms": -0.421126,
+      "v_ms": -0.003055,
+      "speed_ms": 0.421137,
+      "du_px": -20.0035,
+      "dv_px": -0.1451,
+      "static": false
+    },
+    "2": {
+      "u_ms": -1.097215,
+      "v_ms": 0.020881,
+      "speed_ms": 1.097413,
+      "du_px": -52.1177,
+      "dv_px": 0.9918,
+      "static": false
+    }
+  }
+}

realworld_subset/ConservationofMomentum/InelasticCollision/2/initial_state/instance_segmentation_0000.npy

@@ -0,0 +1,3 @@
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+oid sha256:309b89b59083bd44c7b383c87c6b0fbbee034d524be63c2532cb9597b6f54395
+size 2048128

realworld_subset/ConservationofMomentum/InelasticCollision/2/initial_state/mask_0000.npy

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+size 1024128

realworld_subset/ConservationofMomentum/InelasticCollision/2/instance_segmentation/maps.npz

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+size 39110

realworld_subset/ConservationofMomentum/InelasticCollision/2/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/2/instantaneous_velocity/velocity.json

@@ -0,0 +1,27 @@
+{
+  "video_path": "/mnt/afs/fanweichen/yrm/VMEvalKit/preprocess/data/processed/ConservationofMomentum/InelasticCollision/2/rgb/video.mp4",
+  "fps": 30.0,
+  "time_seconds": 0.4,
+  "frame_index": 12,
+  "scale_px": 57.0,
+  "scale_meters": 0.04,
+  "meters_per_pixel": 0.000702,
+  "velocities": {
+    "1": {
+      "u_ms": -0.677844,
+      "v_ms": -0.000282,
+      "speed_ms": 0.677844,
+      "du_px": -32.1863,
+      "dv_px": -0.0134,
+      "static": false
+    },
+    "2": {
+      "u_ms": -0.535382,
+      "v_ms": 0.007854,
+      "speed_ms": 0.53544,
+      "du_px": -25.4217,
+      "dv_px": 0.3729,
+      "static": false
+    }
+  }
+}

realworld_subset/ConservationofMomentum/InelasticCollision/2/mask/maps.npz

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+size 22212

realworld_subset/ConservationofMomentum/InelasticCollision/2/physics_duration.txt

@@ -0,0 +1 @@
+0.5

realworld_subset/ConservationofMomentum/InelasticCollision/2/rgb/video.mp4

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