A 5000 kg car moves at 20 m/s. What braking force is needed to bring the car to a halt in five seconds? Solve the problem and show all work.
A 5000 kg car moves at 20 m/s. What braking force is needed to bring the car to a halt in five seconds? Solve the problem and show all work.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A 5000 kg car moves at 20 m/s. What braking force is needed to bring the car to a halt in five seconds? Solve the problem and show all work.
Expert Solution
Step 1
Given:
The mass of the car is m=5000 kg.
The velocity is v=20 m/s.
The time is t=5 s.
The expression for force is:
Here, a is the acceleration.
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