Answer to Question #162695 in Classical Mechanics for Mohammed

Question #162695

An 1100-kg car traveling at 27.0 m/s starts to slow down and comes to a complete stop in 578 m. What is the magnitude of the average braking force acting on the car?

Expert's answer

"<F>=\\frac As=\\frac{mv^2}{2s},"

"<F>=\\frac{1100\\cdot 27^2}{2\\cdot 578}=694~N."

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