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CBSE Class 9 Answered

A student starts with a velocity 40 km/hr for school at 4 km away from his house. Due to closing of school he returns soon to his house with a velocity of 60km/hr.His average velocity will be.
Asked by manognabandla2004 | 08 Sep, 2022, 07:55: PM
answered-by-expert Expert Answer
Average velocity = displacement / time
 
The boy started from home, reached school and retruned back to home finally.
 
Hence displcement is zero.
 
Hence average velocity is zero
Answered by Thiyagarajan K | 08 Sep, 2022, 09:19: PM

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