Answer to Question #161446 in Molecular Physics | Thermodynamics for Mary brown

Question #161446

A car is driving at 25 m/s and sees a red light. The car comes to stop over a distance of 100 m. What is their acceleration? Time?

Expert's answer

"v=\\sqrt{2as}, ~a=\\frac{v^2}{2s}=3.125~\\frac{m}{s^2},"

"t=\\frac va=8~s."

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