Add realworld_subset/ConservationofMomentum/InelasticCollision/8

realworld_subset/ConservationofMomentum/InelasticCollision/8/annotation.txt

@@ -0,0 +1,3 @@
+Environment: g=9.81, F_drag=!=0
+LeftTennisBall: e = 0.75, m = 0.06, v_0 = 1.84
+RightTennisBall: e = 0.75, m = 0.06, v_0 = 0.21

realworld_subset/ConservationofMomentum/InelasticCollision/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": 1.836749,
+      "initial_velocity_v": 0,
+      "mass": 0.06,
+      "name": "LeftTennisBall",
+      "restitution": 0.75,
+      "static": false
+    },
+    {
+      "id": 2,
+      "initial_velocity_u": 0.206872,
+      "initial_velocity_v": 0,
+      "mass": 0.06,
+      "name": "RightTennisBall",
+      "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/8/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\nLeftTennisBall: e = 0.75, m = 0.06, v_0 = 1.84\nRightTennisBall: e = 0.75, m = 0.06, v_0 = 0.21",
+  "choices": [
+    "n_1·sinθ_1 = n_2·sinθ_2",
+    "m_1·v_1i + m_2·v_2i = m_1·v_1f + m_2·v_2f",
+    "ΔE = (1/2)·m_1·m_2·e²·(v_1i - v_2i)² / (m_1 + m_2)",
+    "ΔE = (1/2)·[(m_1·m_2) / (m_1 + m_2)]·(v_1i - v_2i)²"
+  ],
+  "correct_index": 1,
+  "physics_type": "InelasticCollision",
+  "seed": "InelasticCollision|ConservationofMomentum/InelasticCollision/8",
+  "is_realworld": true,
+  "dropped_wrong_formulas": [
+    "W_f = ∫ μ_k·m·g·ds = ΔE_k"
+  ]
+}

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

@@ -0,0 +1,25 @@
+{
+  "video_path": "data/processed/ConservationofMomentum/InelasticCollision/8/rgb/video.mp4",
+  "fps": 30.0,
+  "scale_px": 66.0076,
+  "scale_meters": 0.067,
+  "meters_per_pixel": 0.001015,
+  "velocities": {
+    "1": {
+      "u_ms": 1.836749,
+      "v_ms": -0.00125,
+      "speed_ms": 1.836749,
+      "du_px": 60.3181,
+      "dv_px": -0.041,
+      "static": false
+    },
+    "2": {
+      "u_ms": 0.206872,
+      "v_ms": 0.001282,
+      "speed_ms": 0.206876,
+      "du_px": 6.7936,
+      "dv_px": 0.0421,
+      "static": false
+    }
+  }
+}

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

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:ce6d35359a6ea46c4900d487eb0cd847c1e07ab55c9bb9fc3a09d457d34e77ea
+size 2048128

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

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+oid sha256:d0a9ec9cb36e7a54b17caa24990ccafe7b938e3368ef01eacd8151959d7bc750
+size 1024128

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

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+oid sha256:8fd0107d2f14739abbdd76b844dc50356a4e92dbff426645cef6bf6a034eb739
+size 39593

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

@@ -0,0 +1,27 @@
+{
+  "video_path": "/mnt/afs/fanweichen/yrm/VMEvalKit/preprocess/data/processed/ConservationofMomentum/InelasticCollision/8/rgb/video.mp4",
+  "fps": 30.0,
+  "time_seconds": 0.3,
+  "frame_index": 9,
+  "scale_px": 66.0076,
+  "scale_meters": 0.067,
+  "meters_per_pixel": 0.001015,
+  "velocities": {
+    "1": {
+      "u_ms": 0.261179,
+      "v_ms": 0.020444,
+      "speed_ms": 0.261978,
+      "du_px": 8.5773,
+      "dv_px": 0.6714,
+      "static": false
+    },
+    "2": {
+      "u_ms": 1.111785,
+      "v_ms": -0.022701,
+      "speed_ms": 1.112017,
+      "du_px": 36.5118,
+      "dv_px": -0.7455,
+      "static": false
+    }
+  }
+}

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

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+size 22763

realworld_subset/ConservationofMomentum/InelasticCollision/8/physics_duration.txt

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

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

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+version https://git-lfs.github.com/spec/v1
+oid sha256:78c56841a18d744754ef1b39ea81bcddc1298b39fffe9a7e3ac0e0116bdcae71
+size 256001