Add realworld_subset/ConservationofMomentum/InelasticCollision/15

realworld_subset/ConservationofMomentum/InelasticCollision/15/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 = 0.79

realworld_subset/ConservationofMomentum/InelasticCollision/15/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": -0.785449,
+      "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/15/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\nFloorball: e = 0.86, m = 0.02, v_0 = 0.0\nTennisBall: e = 0.75, m = 0.06, v_0 = 0.79",
+  "choices": [
+    "T = 2π·√(m/k)",
+    "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)",
+    "e = 1 - ΔE / (m_1·v_1i² + m_2·v_2i²)"
+  ],
+  "correct_index": 2,
+  "physics_type": "InelasticCollision",
+  "seed": "InelasticCollision|ConservationofMomentum/InelasticCollision/15",
+  "is_realworld": true,
+  "dropped_wrong_formulas": [
+    "W_f = ∫ μ_k·m·g·ds = ΔE_k"
+  ]
+}

realworld_subset/ConservationofMomentum/InelasticCollision/15/initial_state/initial_velocity.json

@@ -0,0 +1,25 @@
+{
+  "video_path": "data/processed/ConservationofMomentum/InelasticCollision/15/rgb/video.mp4",
+  "fps": 30.0,
+  "scale_px": 59.0,
+  "scale_meters": 0.067,
+  "meters_per_pixel": 0.001136,
+  "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": -0.785449,
+      "v_ms": 0.014261,
+      "speed_ms": 0.785578,
+      "du_px": -23.0555,
+      "dv_px": 0.4186,
+      "static": false
+    }
+  }
+}

realworld_subset/ConservationofMomentum/InelasticCollision/15/initial_state/instance_segmentation_0000.npy

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e43a0fa85f7beb3419a6ac50dbfab90acff4bf27812ff920976285ea51737efd
+size 2048128

realworld_subset/ConservationofMomentum/InelasticCollision/15/initial_state/mask_0000.npy

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+version https://git-lfs.github.com/spec/v1
+oid sha256:ecdb051eb11af28888a84dccf991c882da27cfe6a18d5846a270533d7bef0ab6
+size 1024128

realworld_subset/ConservationofMomentum/InelasticCollision/15/instance_segmentation/maps.npz

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+oid sha256:92bc991c1e72de2f12c76d6585d3820866de92806eb63a42360d8529d6bfee60
+size 113514

realworld_subset/ConservationofMomentum/InelasticCollision/15/instantaneous_velocity/mask.npy

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+size 1024128

realworld_subset/ConservationofMomentum/InelasticCollision/15/instantaneous_velocity/velocity.json

@@ -0,0 +1,27 @@
+{
+  "video_path": "/mnt/afs/fanweichen/yrm/VMEvalKit/preprocess/data/processed/ConservationofMomentum/InelasticCollision/15/rgb/video.mp4",
+  "fps": 30.0,
+  "time_seconds": 0.8,
+  "frame_index": 24,
+  "scale_px": 59.0,
+  "scale_meters": 0.067,
+  "meters_per_pixel": 0.001136,
+  "velocities": {
+    "1": {
+      "u_ms": -0.395661,
+      "v_ms": -0.018504,
+      "speed_ms": 0.396093,
+      "du_px": -11.6098,
+      "dv_px": -0.543,
+      "static": false
+    },
+    "2": {
+      "u_ms": -0.344627,
+      "v_ms": -0.003251,
+      "speed_ms": 0.344643,
+      "du_px": -10.1123,
+      "dv_px": -0.0954,
+      "static": false
+    }
+  }
+}

realworld_subset/ConservationofMomentum/InelasticCollision/15/mask/maps.npz

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+size 64890

realworld_subset/ConservationofMomentum/InelasticCollision/15/physics_duration.txt

@@ -0,0 +1 @@
+1.5

realworld_subset/ConservationofMomentum/InelasticCollision/15/rgb/video.mp4

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