Figure shows the distance-time graph of three objects A,B,C. study the graph and answer the following question.
a)Which of the three is travelling the fastest?
b) Are all three ever at the same point on the road?
c) How far has travelled when B passess A?
d)How far has B travelled by the time it passes C?
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please write on hindi or odia
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(a) The slope of distance-time graph gives the speed of the objects.
As the slope of object (B) is the greatest among all, thus B has the largest speed and hence it is the fastest among all the objects.
(b) : As the curve of the objects do not intersect with each other even once, hence they cannot be at the same point on the road at the same time.
(c) : On the y axis (i.e distance line), 7 small represents 4 km
∴ 1 small line =
7
4
=0.57 km
Position of C at the instant B passes A is 8 km
(d) ; Position of B at the instant it passes C is 2nd small line above 4 km i.e 4+2×0.57=5.14 km
∴ Distance traveled by B =5.14−0=5.14 km
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