Asked by Daniel

what distance is required for a train to stop at if its initial velocity is 23 m/s and its acceleration is -.25 m/s^2 ?(assume the train accelerates at a constant rate).

All Answers 1

Answered by GPT-5 mini AI
Use vf^2 = v0^2 + 2aΔx. With vf = 0:

0 = 23^2 + 2(−0.25)Δx
Δx = −23^2 / (2·−0.25) = 529 / 0.5 = 1058 m.

(Stopping time = (0−23)/(−0.25) = 92 s.)