A body travel a distance of 1000 km with first 600 km by the train and the rest Car with 6km/hr and 40km/hr respectively What is the average velocity during the journey
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A body travel a distance of 1000 km with first 600 km by the train and the rest Car with 6km/hr and 40km/hr respectively What is the average velocity during the journey
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Answer:
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Answer:=6.85km/h
Explanation:Speed =6km/h
distance =1km
Time =distance/speed=1/6h
Speed =8km/h
Distance =1km
Time =distance/speed=1/8h
Average speed =Totaldistance/totaltimetaken
=1+1+
6
1
+
8
1
=2+
24
4+3
=2+
24
7
=2×
7
24
=
7
48
=6.85km/h