2. A 950 kg car is moving at a speed of 60.5 km/h. Find the force needed to bring the car to rest in a distance of 125 m. Ans: 1,073.22 Work Energy theorem, Wnet - Fret d = Ak=kg-k, %3D 2. ki= {mu?, kg =} m K2 %3D 2.

2. A 950 kg car is moving at a speed of 60.5 km/h. Find the force needed to bring the car to rest in a distance of 125 m. Ans: 1,073.22 Work Energy theorem, Wnet - Fret d = Ak=kg-k, %3D 2. ki= {mu?, kg =} m K2 %3D 2.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter6: Momentum, Impulse, And Collisions

Section: Chapter Questions

Problem 3P: A pitcher claims he can throw a 0.145-kg baseball with as much momentum as a 3.00-kg bullet moving...

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Not understanding the equation or how he got 1,073.22 for the answer. ?

2. A 950 kg car is moving at a speed of 60.5 km/h. Find the force needed to bring
the car to rest in a distance of 125 m.
Ans: 1,073.22
Work Energy
theorem, Wnet - Fret d = Ak=kg-k,
%3D
2.
ki= {mu?, kg =} m
K2
%3D
2.

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