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CBSE Class 9 Answered

Aarushi was driving a car with uniform speed of 60km/h. Draw distance-time graph.From the graph, find the distance travelled by Aarushi in  (i) 221​hours (ii) 21​hours
Asked by Sankalptri123 | 16 Sep, 2021, 07:31: PM
Expert Answer
Distance = speed × Time .
 
Table below shows the distance travelled at the given time instances

Time ( hr) Distance (km)
0 0
1 60
2 120
3 180
4 240
 
Distance-Time graph is plotted using EXCEL and it is given below
 
 
From graph, we see that at  t = 1/2  hour , distance travelled = 30 km
 
From graph, we see that at  t = 2.5  hour , distance travelled = 150 km
 
Answered by Thiyagarajan K | 16 Sep, 2021, 09:40: PM
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