Ask Question
7 June, 20:55

The driver of a car traveling at 50 ft/sec suddenly applies the brakes. The position of the car is s (t) = 50t - 2t2, t seconds after the driver applies the brakes. How many seconds after the driver applies the brakes does the car come to a stop?

+5
Answers (1)
  1. 8 June, 00:33
    0
    s (t) = 50t - 2t^2

    v (t) = 50 - 4t

    a (t) = - 4

    When v (t) = 0, the car stops.

    v = u + at

    0 = 50 + (-4) t

    t=12.5s
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “The driver of a car traveling at 50 ft/sec suddenly applies the brakes. The position of the car is s (t) = 50t - 2t2, t seconds after the ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers