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CBSE Class 7 Answered

(i) If 1 cm on a time axis shows 1 min. How many cms will show 1 hour on the axis?(ii) Find out the points from the graph where the motion can be uniform from point to point (considering object is travelling in a straight line).
Asked by Topperlearning User | 13 Mar, 2015, 03:10: PM
answered-by-expert Expert Answer

(i) 1 min = 1 cm.

And, 1 hour = 60 min.

Thus, 1 hour = 60 x 1 cm. (as per axis selection)

                   = 60 cm.

Thus we need a 60 cm long axis.

(ii) The motion can be uniform from points O to A.

Then motion can be uniform from points A to B.

Then it can be said to be uniform from points B to Q.

Answered by | 13 Mar, 2015, 05:10: PM

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