(a) Calculate the force (in N) needed to bring a 950 kg car to rest from speed of 90.0 km/h in a distance of 110 m (a fairly typical distance for a non-panic stop). N (b) Suppose instead the car hlts a concrete abutment at full speed and is brought to a stop in 2.000 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 950 kg car to rest from speed of 90.0 km/h in a distance of 110 m (a fairly typical distance for a non-panic stop). N (b) Suppose instead the car hlts a concrete abutment at full speed and is brought to a stop in 2.000 m. Calculate the force exerted on the car and compare it with the force found in part (a. force in (b) force in (a)

Classical Dynamics of Particles and Systems

5th Edition

ISBN:9780534408961

Author:Stephen T. Thornton, Jerry B. Marion

Publisher:Stephen T. Thornton, Jerry B. Marion

Chapter2: Newtonian Mechanics-single Particle

Section: Chapter Questions

Problem 2.13P: A particle moves in a medium under the influence of a retarding force equal to mk(υ3+ a2υ), where k...

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Question

(a) Calculate the force (in N) needed to bring a 950 kg car to rest from a speed of 90.0 km/h in a distance of 110 m (a fairly typical distance for a non-panic stop).
(b) Suppose instead the car hlts 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)

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