The figure at right shows a position vs. time graph for an object. Sketch the co

Question

The figure at right shows a position vs. time graph for an object. Sketch the corresponding velocity vs, time graph in the space provided. 1. What is the object physically doing during each segment of its motion? Sketch x versus t, " versus t, and a versus graphs for the entire motion of a ball rolling up and then down a ramp. Use a coordinate system in which the positive x-direction is upward and a motion sensor is placed at the bottom of the ramp. Explain your reasoning for drawing each graph the way you di 2. bject have a negative acceleration and be speeding up? If so, describe a possible physical Can an o situation. If not, explain why not. 3.

Explanation / Answer

3)

Yes. In case of freely falling body acceleration is nagative, and the body is speeding up.

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