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(II) A car slows down uniformly from a speed of 18.0 $\mathrm{m} / \mathrm{s}$ torest in 5.00 $\mathrm{s}$ . How far did it travel in that time?

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45.0 m

Physics 101 Mechanics

Chapter 2

Describing Motion: Kinematics in One Dimension

Physics Basics

Motion Along a Straight Line

Motion in 2d or 3d

Newton's Laws of Motion

University of Washington

Hope College

McMaster University

Lectures

03:28

Newton's Laws of Motion are three physical laws that, laid the foundation for classical mechanics. They describe the relationship between a body and the forces acting upon it, and its motion in response to those forces. These three laws have been expressed in several ways, over nearly three centuries, and can be summarised as follows: In his 1687 "Philosophiæ Naturalis Principia Mathematica" ("Mathematical Principles of Natural Philosophy"), Isaac Newton set out three laws of motion. The first law defines the force F, the second law defines the mass m, and the third law defines the acceleration a. The first law states that if the net force acting upon a body is zero, its velocity will not change; the second law states that the acceleration of a body is proportional to the net force acting upon it, and the third law states that for every action there is an equal and opposite reaction.

04:16

In mathematics, a proof is a sequence of statements given to explain how a conclusion is derived from premises known or assumed to be true. The proof attempts to demonstrate that the conclusion is a logical consequence of the premises, and is one of the most important goals of mathematics.

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so when it says slow, the car slows down uniformly. This means that the car has a constant acceleration. So we can say that Ah, the distance of the car is the distance of the car is found by combining equations to two and ah, equations and equation 2.9. Therefore, we can say that a Delta X will be equal to velocity initial plus philosophy final divided by two. So that would be Aah! This would be essentially the heavens acceleration and then multiplied by the time so this would be equal to 18 0.0 meters per second. It's slowing down. So we know that velocity final is going to be equal to zero. And then this will be divided by two and then multiplied by the time it takes to full stop 5.0 seconds. Therefore, we can say that the time the total X displaced, the displacement in the ex direction will be 45.0 meters. This is our final answer. That is the end of the solution. Thank you for watching

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