A person travels along a straight road for first half length with a constant speed v1 and the second half length with a constant speed v2 find average speed of person
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4
Answer:
average speed=2xy/x+y
=2×v1×v2/v1+v2
=2v1v2/v1+v2
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0
Answer:
Explanation:
average speed=2xy/x+y
=2×v1×v2/v1+v2
=2v1v2/v1+v2
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