The distance in feet needed to halt a vehicle completely wh - GED Prep

Question

The distance, 𝑑, in feet, needed to halt a vehicle completely when driving at 𝑣 miles per hour can be calculated using the equation 𝑑=𝑣2+2𝑣. If it takes a vehicle 360 feet to come to a full stop, what was the velocity of the vehicle, in miles per hour, when the driver started to brake?

Ā 

Answers
  1. correct
Explanation

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