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  • 20-03-2021
  • Mathematics
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A car travels at 180.0 km/h for 2.8 hours, at 65.0 km/h for the next 3.5 hours, and finally at 100.0 km/h for 2.0 hours. What is the car's average velocity for the entire journey?

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FulcrumAhsoka
FulcrumAhsoka FulcrumAhsoka
  • 20-03-2021

Answer:

v = ~122.23 m/s

Step-by-step explanation:

180(2.8) + 65(3.5) + 200 = 931.5

931.5/(2.8 + 3.5 + 2) = 122.2289 ≈ 122.23 = va

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