abbielovesu3665 abbielovesu3665

01-10-2019
Physics

contestada

The motion of a skateboarder along a horizontal axis is observed for 5 seconds. The initial position of the skateboarder is negative with respect to the origin, and its velocity throughout the 5 seconds is also negative. At the end of the 5 seconds, is the skateboarder closer to or further from the origin (compared to where it started)?

Why? Explain.

Respuesta :

ajdonis ajdonis

03-10-2019

Answer:

The skateborder is further from the origin.

Explanation:

In order to visualize this problem better we need to sketch what the situation looks like. (See attached picture)

Now, generally we will take the left side as the negative direction. As you may see in the picture, the skateborder starts to the left of the origin and he has a negative velocity as well, so he would be moving left all the time. After the 5 seconds, the distance between the origin and the skateboarder is even greater than it was before. This is because he kept moving left. So he will be further from the origin compared to where it started.

Ver imagen ajdonis

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