File size: 558 Bytes
2a9dbee | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | {
"correct_letter": "B",
"correct_formula": "v = v_0 + g·t",
"annotation": "Environment: g=9.81, F_drag=!=0\nGround: e=0.5\nBaseball: d = 0.07, e = 0.55, h = 0.93, v_0 = 0.0\nSteelBall: d = 0.04, e = 0.6, h = 1.4, v_0 = 0.0",
"choices": [
"Q = m·c·ΔT",
"v = v_0 + g·t",
"v = v_0·cos(g·t / v_0)",
"v_final = -e·v_impact"
],
"correct_index": 1,
"physics_type": "FreeFall",
"seed": "FreeFall|Gravity/Freefall/13",
"is_realworld": true,
"dropped_wrong_formulas": [
"P + (1/2)·ρ·v² + ρ·g·h = constant"
]
}
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