help You make a plot of distance vs. time as shown in the figure below: Looking
ID: 2250519 • Letter: H
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You make a plot of distance vs. time as shown in the figure below: Looking at graph #1, is the slope increasing, decreasing or constant? What is the meaning of the slope? What is the acceleration? Looking at the middle part of graph #2, what can you say about the slope? How much is the velocity and acceleration? Looking at the end part of graph #2, what can you say about the slope? How much is the velocity and acceleration? How do you find the slope on a graph? What are the units of the slope?Explanation / Answer
1) Slope is constant.
Slope is the ratio of small increase in y to small increase in x i.e y/x which is velocity in this case.
Acceleration is 0.
2)Slope is 0 as y doesnot change with change in x i.e y/x is 0.
since the distance is ramaining constant....the object is not moving...hence both velocity and acceleration are 0.
3)As distance decreases with time the slope is negative and constant .....given by D/t at any time.
Since distance is uniformly decreasing D/t is constant and therefore velocity is constant.
Acceleration is 0
4)Slope = y/x at any point on the curve. Slope is a numerical quantity ans has no units.
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