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8. Motion
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Q9 of 53 Page 228

How can you calculate the following?

(i) Speed from distance-time graph?


(ii) Acceleration from velocity-time graph.


(iii) Displacement from velocity-time graph.

(i) Speed is equal to the slope of the distance-time graph.

Slope = Speed=


a.png


(ii) Acceleration is also the slope of the velocity-time graph.


Slope = Acceleration=


b.png


(iii) The Magnitude of Displacement is the area under the curve of velocity time graph.



More from this chapter

All 53 →
7

Draw a diagram to show the motion of a body whose speed remains constant but the velocity changes continuously.

8

A car is moving on a straight road with a uniform acceleration. The following table gives the speed of the car at various instants of time.


(i) Draw the shape of speed-time graph representing the above sets of observations.


(ii)Find the acceleration of the car.

10

How will you show that the slope of the displacement-time graph gives the velocity of the body?

11

Given below is the velocity-time graph for the motion of the car. What does the nature of the graph show? Also, find the acceleration of the car.

Questions · 53
8. Motion
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