Rahul while going to school moves with the Avg. speed of 30km/h while coming back traffic is less and Avg. speed become 40km/h . Calculate overall velocity.
Punjabi Music , 5 Years ago
Grade 9
1 Answer
Khimraj
Last Activity: 5 Years ago
If equal distance are covered with speeds v1 and v2 then average distance=2v1v2/v1+v2 = 2x30x40/70 =240/7km/hr
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