Asked by Emiliee
Calculate the force needed to bring a 1100–kg car to rest from a speed of 83.0 km/h in a distance of 118 m (a fairly typical distance for a non-panic stop). Suppose instead the car hits a concrete abutment at full speed and is brought to a stop in 1.82 m. Calculate the force exerted on the car and compare it with the force found in part (a).
Answers
Answered by
Chanz
In this case work takes away KE so
1/2 mv^2 = Fd (convert kph to m/s BTW)
Solve for F in both questions
1/2 mv^2 = Fd (convert kph to m/s BTW)
Solve for F in both questions
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