Add realworld_subset/ConservationofMomentum/InelasticCollision/7

realworld_subset/ConservationofMomentum/InelasticCollision/7/annotation.txt

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+Environment: g=9.81, F_drag=!=0
+LeftTennisBall: e = 0.75, m = 0.06, v_0 = 2.12
+RightTennisBall: e = 0.75, m = 0.06, v_0 = 0.0

realworld_subset/ConservationofMomentum/InelasticCollision/7/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": 2.120823,
+      "initial_velocity_v": 0,
+      "mass": 0.06,
+      "name": "LeftTennisBall",
+      "restitution": 0.75,
+      "static": false
+    },
+    {
+      "id": 2,
+      "initial_velocity_u": 0,
+      "initial_velocity_v": 0,
+      "mass": 0.06,
+      "name": "RightTennisBall",
+      "restitution": 0.75,
+      "static": true
+    }
+  ],
+  "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/7/formula_info.json

@@ -0,0 +1,18 @@
+{
+  "correct_letter": "D",
+  "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\nLeftTennisBall: e = 0.75, m = 0.06, v_0 = 2.12\nRightTennisBall: e = 0.75, m = 0.06, v_0 = 0.0",
+  "choices": [
+    "v_1f = (m_1 - e·m_2)·v_1i / (m_1 + m_2) + v_2i·cosθ",
+    "E = σ·T⁴·A",
+    "σ = F/a² = E·ε",
+    "m_1·v_1i + m_2·v_2i = m_1·v_1f + m_2·v_2f"
+  ],
+  "correct_index": 3,
+  "physics_type": "InelasticCollision",
+  "seed": "InelasticCollision|ConservationofMomentum/InelasticCollision/7",
+  "is_realworld": true,
+  "dropped_wrong_formulas": [
+    "W_f = ∫ μ_k·m·g·ds = ΔE_k"
+  ]
+}

realworld_subset/ConservationofMomentum/InelasticCollision/7/initial_state/initial_velocity.json

@@ -0,0 +1,25 @@
+{
+  "video_path": "data/processed/ConservationofMomentum/InelasticCollision/7/rgb/video.mp4",
+  "fps": 30.0,
+  "scale_px": 59.0,
+  "scale_meters": 0.067,
+  "meters_per_pixel": 0.001136,
+  "velocities": {
+    "1": {
+      "u_ms": 2.120823,
+      "v_ms": 0.021823,
+      "speed_ms": 2.120935,
+      "du_px": 62.253,
+      "dv_px": 0.6406,
+      "static": false
+    },
+    "2": {
+      "u_ms": 0.0,
+      "v_ms": 0.0,
+      "speed_ms": 0.0,
+      "du_px": 0.0,
+      "dv_px": 0.0,
+      "static": true
+    }
+  }
+}

realworld_subset/ConservationofMomentum/InelasticCollision/7/initial_state/instance_segmentation_0000.npy

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6f3abed77ede2b0090cf2ef036e50e6ccbbf03cf23e80ae557a527b5f37d6f24
+size 2048128

realworld_subset/ConservationofMomentum/InelasticCollision/7/initial_state/mask_0000.npy

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:e3a3877bdbc2eae1984fa922aa3df78036db376e1a1f9701cc04cefab9ed83d2
+size 1024128

realworld_subset/ConservationofMomentum/InelasticCollision/7/instantaneous_velocity/mask.npy

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:bc00fc75aadbbaf4e8eba0dc1a066f2188211ce807979088a0eb76efa7ff0b3f
+size 1024128

realworld_subset/ConservationofMomentum/InelasticCollision/7/instantaneous_velocity/velocity.json

@@ -0,0 +1,27 @@
+{
+  "video_path": "/mnt/afs/fanweichen/yrm/VMEvalKit/preprocess/data/processed/ConservationofMomentum/InelasticCollision/7/rgb/video.mp4",
+  "fps": 30.0,
+  "time_seconds": 0.5,
+  "frame_index": 15,
+  "scale_px": 59.0,
+  "scale_meters": 0.067,
+  "meters_per_pixel": 0.001136,
+  "velocities": {
+    "1": {
+      "u_ms": 0.165529,
+      "v_ms": 0.025696,
+      "speed_ms": 0.167512,
+      "du_px": 4.8571,
+      "dv_px": 0.754,
+      "static": false
+    },
+    "2": {
+      "u_ms": 0.950851,
+      "v_ms": -0.016102,
+      "speed_ms": 0.950988,
+      "du_px": 27.9006,
+      "dv_px": -0.4725,
+      "static": false
+    }
+  }
+}

realworld_subset/ConservationofMomentum/InelasticCollision/7/physics_duration.txt

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

realworld_subset/ConservationofMomentum/InelasticCollision/7/rgb/video.mp4

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:596b8105431c02b6a876306a33f7d4896da808439bec5145ab08e39ff00aba3b
+size 239822