Q2 of 53 Page 205

In the figure below is shown the time-distance graph of cyclist.


Find out from the graph average speed in the whole journey.

Average speed =

= + =10 m/s + 10 m/s = 20 m/s


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5

Fill in the blanks.

(i) ………..is the term used for negative acceleration.


(ii) A bus starting from rest attains a velocity of 54 km/h in 60 s, its acceleration is …………….. .

 1

If the distance-time graph of a particle is parallel to time axis, then how much is the velocity of the particle?

 3

Give one similarity and one dissimilarity between the two graphs:

 4

What is the value of acceleration in the following graph: