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0 votes
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in Physics by (37.5k points)

A body describes the first half of the total distance with velocity v1 and the second half with velocity v2. The average velocity is :

(A) \(\cfrac{v_1 +v_2}{2}\)

(B) \(\cfrac{1}{v_1}+\cfrac{1}{v_2}\)

(C) \(\cfrac{v_1 \,v_2}{v_1+v_2}\)

(D) \(\cfrac{2v_1\ v_2}{v_1+v_2}\)

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1 Answer

+1 vote
by (39.7k points)

 Correct option is (D) \(\cfrac{2v_1\ v_2}{v_1+v_2}\)

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