medium · Enhanced ACT science

**Position of a Cart Released from Rest on an Inclined Track** | Time (s) | Position (cm) |

|---|---|

| 0.0 | 0.0 |

| 0.5 | 3.1 |

| 1.0 | 12.4 |

| 1.5 | 27.9 |

| 2.0 | 49.6 |

Using, what is the cart's average speed between 1.0 s and 2.0 s?

  1. 18.6 cm/s
  2. 24.8 cm/s
  3. 37.2 cm/s
  4. 49.6 cm/s

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