A person travels along a straight road for half the distance with velocity ${v_1}$ and the remaining half distance with velocity ${v_2}$ The average velocity is given by
A person travels along a straight road for half the distance with velocity ${v_1}$ and the remaining half distance with velocity ${v_2}$ The average velocity is given by
- A
${v_1}{v_2}$
- B
$\frac{{v_2^2}}{{v_1^2}}$
- C
$\frac{{{v_1} + {v_2}}}{2}$
- D
$\frac{{2{v_1}{v_2}}}{{{v_1} + {v_2}}}$
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