Physics, asked by arjundivadkar03, 6 hours ago

11.
A person covers half of his journey at 30 km/h and the remaining half at 20 km/h. The average speed for the whole journey is
a) 25 km/h
D) 28 km/h
c) 32 km/h
d) None of these

Answers

Answered by manishgupta8462

0

Answer:

B.28

Explanation:

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