Physics · 2023
JEE Main · 1 February 2023, Shift 1 · Q14
An object moves with speed v_1, v_2 and v_3 along a line segment AB, BC and CD respectively as shown in figure. Where AB = BC and AD =3 AB, then…
An object moves with speed $\displaystyle v_1, v_2$ and $\displaystyle v_3$ along a line segment $\displaystyle \mathrm{AB}, \mathrm{BC}$ and CD respectively as shown in figure. Where $\displaystyle \mathrm{AB}=\mathrm{BC}$ and $\displaystyle \mathrm{AD}=3 \mathrm{AB}$, then average speed of the object will be:
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle \frac{3 v_1 v_2 v_3}{\left(v_1 v_2+v_2 v_3+v_3 v_1\right)}$
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.