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ICSE Class 9 Answered

a car is travel
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Asked by easycraftsw | 05 Oct, 2020, 07:57: AM
answered-by-expert Expert Answer
distance travelled in first case is = speed x time = 7.5 x 2/60 =  0.25 km 
In second interval also the distance travelled by hare = 0.25 km 
 
Total distance travelled = 0.25 + 0.25 = 0.5 km 
Total time taken for whole journey = 2 min + 2 min + 56 min = 60 min = 1 h
 
Thus, average speed = total distance travelled/ total time taken = 0.5/ 1 = 0.5 km/h 
Answered by Shiwani Sawant | 05 Oct, 2020, 01:25: PM
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