12. (a) Calculate the force needed to bring a 950-kg car to
rest from a speed...
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Physics
12. (a) Calculate the force needed to bring a 950-kg car torest from a speed of 90.0 km/h in a distance of 120 m (a fairlytypical distance for a non-panic stop). (b) Suppose instead the carhits a concrete abutment at full speed and is brought to a stop in2.00 m. Calculate the force exerted on the car and compare it withthe force found in part (a).
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SolutionGiven datadistances 120ma Use Torricellis equation to find theaccelerationwe
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