Add realworld_subset/ConservationofMomentum/InelasticCollision/5

realworld_subset/ConservationofMomentum/InelasticCollision/5/annotation.txt

@@ -0,0 +1,3 @@
+Environment: g=9.81, F_drag=!=0
+TennisBall: e = 0.75, m = 0.06, v_0 = 0.0
+SteelBall: e = 0.6, m = 0.26, v_0 = 0.44

realworld_subset/ConservationofMomentum/InelasticCollision/5/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": 0.06,
+      "name": "TennisBall",
+      "restitution": 0.75,
+      "static": true
+    },
+    {
+      "id": 2,
+      "initial_velocity_u": -0.442792,
+      "initial_velocity_v": 0,
+      "mass": 0.26,
+      "name": "SteelBall",
+      "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/5/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\nTennisBall: e = 0.75, m = 0.06, v_0 = 0.0\nSteelBall: e = 0.6, m = 0.26, v_0 = 0.44",
+  "choices": [
+    "v_1f = (m_1 - e·m_2)·v_1i / (m_1 + m_2) + v_2i·cosθ",
+    "ΔE = (1/2)·[(m_1·m_2) / (m_1 + m_2)]·(v_1i - v_2i)²",
+    "e = (v_2f - v_1f) / (v_1i - v_2i)",
+    "v = f·λ"
+  ],
+  "correct_index": 2,
+  "physics_type": "InelasticCollision",
+  "seed": "InelasticCollision|ConservationofMomentum/InelasticCollision/5",
+  "is_realworld": true,
+  "dropped_wrong_formulas": [
+    "W_f = ∫ μ_k·m·g·ds = ΔE_k"
+  ]
+}

realworld_subset/ConservationofMomentum/InelasticCollision/5/initial_state/initial_velocity.json

@@ -0,0 +1,25 @@
+{
+  "video_path": "data/processed/ConservationofMomentum/InelasticCollision/5/rgb/video.mp4",
+  "fps": 30.0,
+  "scale_px": 64.0078,
+  "scale_meters": 0.067,
+  "meters_per_pixel": 0.001047,
+  "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": -0.442792,
+      "v_ms": 0.004688,
+      "speed_ms": 0.442817,
+      "du_px": -14.1006,
+      "dv_px": 0.1493,
+      "static": false
+    }
+  }
+}

realworld_subset/ConservationofMomentum/InelasticCollision/5/initial_state/instance_segmentation_0000.npy

@@ -0,0 +1,3 @@
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+oid sha256:0b6ee9e3cb82df0bbcf67234efdd09402d57d09f51d7b1baaad93a1ed3dce0ad
+size 2048128

realworld_subset/ConservationofMomentum/InelasticCollision/5/initial_state/mask_0000.npy

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+size 1024128

realworld_subset/ConservationofMomentum/InelasticCollision/5/instance_segmentation/maps.npz

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+size 74743

realworld_subset/ConservationofMomentum/InelasticCollision/5/instantaneous_velocity/mask.npy

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+size 1024128

realworld_subset/ConservationofMomentum/InelasticCollision/5/instantaneous_velocity/velocity.json

@@ -0,0 +1,27 @@
+{
+  "video_path": "/mnt/afs/fanweichen/yrm/VMEvalKit/preprocess/data/processed/ConservationofMomentum/InelasticCollision/5/rgb/video.mp4",
+  "fps": 30.0,
+  "time_seconds": 0.9,
+  "frame_index": 27,
+  "scale_px": 64.0078,
+  "scale_meters": 0.067,
+  "meters_per_pixel": 0.001047,
+  "velocities": {
+    "1": {
+      "u_ms": -0.469377,
+      "v_ms": -0.00332,
+      "speed_ms": 0.469389,
+      "du_px": -14.9435,
+      "dv_px": -0.1057,
+      "static": false
+    },
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+      "v_ms": -0.02057,
+      "speed_ms": 0.307694,
+      "du_px": -9.7741,
+      "dv_px": -0.6549,
+      "static": false
+    }
+  }
+}

realworld_subset/ConservationofMomentum/InelasticCollision/5/mask/maps.npz

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realworld_subset/ConservationofMomentum/InelasticCollision/5/physics_duration.txt

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+1.0

realworld_subset/ConservationofMomentum/InelasticCollision/5/rgb/video.mp4

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