(a) Calculate the force (in N) needed to bring a 1000 kg car to rest from a speed of 90.0 km/h in a distance of 105 m (a fairly typical distance for a non-panic stop). N (b) Suppose instead the car hits a concrete abutment at full speed and is brought to a stop in 2.00 m. Calculate the force exerted on the car and compare it with the force found in part (a). force in (b) / force in (a) =

          (a) Calculate the force (in N) needed to bring a 1000 kg car to rest from a speed of 90.0 km/h in a distance of 105 m (a fairly typical distance for a non-panic stop).
N
(b) Suppose instead the car hits a concrete abutment at full speed and is brought to a stop in 2.00 m. Calculate the force exerted on the car and compare it with the force found in part (a).
force in (b) / force in (a) =

(a) Calculate the force (in N) needed to bring a 1000 kg car to rest from a speed of 90.0 km/h in a distance of 105 m (a fairly typical distance for a non-panic stop).
N
(b) Suppose instead the car hits a concrete abutment at full speed and is brought to a stop in 2.00 m. Calculate the force exerted on the car and compare it with the force found in part (a).
force in (b) / force in (a) =

Added by Dawn J.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Prabhu Ramji

03/20/2022

Step 1

Given initial speed = 90.0 km/h 1 km/h = 5/18 m/s Therefore, initial speed = 90.0 km/h * 5/18 = 25.0 m/s Show more…

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Calculate the force (in N) needed to bring a 1000 kg car to rest from a speed of 90.0 km/h in a distance of 105 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 2.00 m. Calculate the force exerted on the car and compare it with the force found in part (a).