Add realworld_subset/ConservationofMomentum/PerfectlyInelasticCollision/8

realworld_subset/ConservationofMomentum/PerfectlyInelasticCollision/8/annotation.txt

@@ -0,0 +1,3 @@
+Environment: g=9.81, F_drag=!=0
+LeftSlider: e = 0.0, m = 0.25, v_0 = 0.0
+RightSlider: e = 0.0, m = 1.25, v_0 = 0.72

realworld_subset/ConservationofMomentum/PerfectlyInelasticCollision/8/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": 0.25,
+      "name": "LeftSlider",
+      "restitution": 0,
+      "static": true
+    },
+    {
+      "id": 2,
+      "initial_velocity_u": -0.724455,
+      "initial_velocity_v": -0.02336,
+      "mass": 1.25,
+      "name": "RightSlider",
+      "restitution": 0,
+      "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": "perfectly_inelastic_collision"
+}

realworld_subset/ConservationofMomentum/PerfectlyInelasticCollision/8/formula_info.json

@@ -0,0 +1,18 @@
+{
+  "correct_letter": "B",
+  "correct_formula": "m_1·v_1i + m_2·v_2i = (m_1+m_2)·v_f",
+  "annotation": "Environment: g=9.81, F_drag=!=0\nLeftSlider: e = 0.0, m = 0.25, v_0 = 0.0\nRightSlider: e = 0.0, m = 1.25, v_0 = 0.72",
+  "choices": [
+    "m = ρ·a³",
+    "m_1·v_1i + m_2·v_2i = (m_1+m_2)·v_f",
+    "v_f² = (m_1·v_1i + m_2·v_2i)² / (m_1² + m_2²)",
+    "F = G·m_1·m_2 / r²"
+  ],
+  "correct_index": 1,
+  "physics_type": "PerfectlyInelasticCollision",
+  "seed": "PerfectlyInelasticCollision|ConservationofMomentum/PerfectlyInelasticCollision/8",
+  "is_realworld": true,
+  "dropped_wrong_formulas": [
+    "W_friction = μ_k·(m_1 + m_2)·g·d"
+  ]
+}

realworld_subset/ConservationofMomentum/PerfectlyInelasticCollision/8/initial_state/initial_velocity.json

@@ -0,0 +1,25 @@
+{
+  "video_path": "data/processed/ConservationofMomentum/PerfectlyInelasticCollision/8/rgb/video.mp4",
+  "fps": 30.0,
+  "scale_px": 79.0,
+  "scale_meters": 0.17,
+  "meters_per_pixel": 0.002152,
+  "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": -0.724455,
+      "v_ms": -0.02336,
+      "speed_ms": 0.724831,
+      "du_px": -11.2219,
+      "dv_px": -0.3619,
+      "static": false
+    }
+  }
+}

realworld_subset/ConservationofMomentum/PerfectlyInelasticCollision/8/initial_state/instance_segmentation_0000.npy

@@ -0,0 +1,3 @@
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+size 1843328

realworld_subset/ConservationofMomentum/PerfectlyInelasticCollision/8/initial_state/mask_0000.npy

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realworld_subset/ConservationofMomentum/PerfectlyInelasticCollision/8/instance_segmentation/maps.npz

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realworld_subset/ConservationofMomentum/PerfectlyInelasticCollision/8/instantaneous_velocity/mask.npy

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realworld_subset/ConservationofMomentum/PerfectlyInelasticCollision/8/instantaneous_velocity/velocity.json

@@ -0,0 +1,27 @@
+{
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+  "fps": 30.0,
+  "time_seconds": 0.8,
+  "frame_index": 24,
+  "scale_px": 79.0,
+  "scale_meters": 0.17,
+  "meters_per_pixel": 0.002152,
+  "velocities": {
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+      "v_ms": 0.021893,
+      "speed_ms": 0.385601,
+      "du_px": -5.9631,
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+      "dv_px": -0.2891,
+      "static": false
+    }
+  }
+}

realworld_subset/ConservationofMomentum/PerfectlyInelasticCollision/8/mask/maps.npz

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realworld_subset/ConservationofMomentum/PerfectlyInelasticCollision/8/physics_duration.txt

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+2.0

realworld_subset/ConservationofMomentum/PerfectlyInelasticCollision/8/rgb/video.mp4

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