A body covers half the distance with a speed of 10 m/s and the remaining half with a speed of 40 m/s. Then the average speed of the body over the entire journey
Science - Physics
Ais 16 m/s.Correct
Bis 20 m/s
Cis 25 m/s
Dwill depend on the total distance.
Answer: A. is 16 m/s.
Explanation
Official WBPSC key (Series A): (A) is 16 m/s..
Source: WBCS (Exe) etc. (Prelim) 2024, Series A
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