Name: Making Your Own Sundial
Uploaded: 2019-07-19
Duration: 4 min 15 s
Description: Sundial is a device that tells the time of day by sunlight, how time can be evaluated by a sundial and how it works. Let's learn in the video.

Question

Why is the distance-time graph given below is not possible?

Accepted Answer

A graph is a pictorial representation of the physical quantities. Amongst the two variables, the independent parameter is plotted along the horizontal line, called the x-axis and the dependent parameter is plotted along the vertical line, called the y-axis.

In a distance-time graph, distance is plotted along the y-axis, while the time is plotted along the x-axis. The slope of the distance-time graph indicates the speed of the object.

Speed is the distance travelled by the object per unit time. The value of the speed can never be negative. From the given graph, it is seen that the slope of the right portion of the graph is negative.

Hence, the given graph cannot represent the distance-time graph associated with a moving object.

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