Physics · 2021
JEE Main · 16 March 2021, Shift 2 · Q16
A mosquito is moving with a velocity v =0.5 t^2 i +3 t j +9 k m / s and accelerating in uniform conditions. What will be the direction of mosquito…
A mosquito is moving with a velocity $\displaystyle \vec{v}=0.5 \mathrm{t}^2 \hat{i}+3 \mathrm{t} \hat{j}+9 \hat{k} \mathrm{~m} / \mathrm{s}$ and accelerating in uniform conditions. What will be the direction of mosquito after $\displaystyle 2$ s ?
Official answer
(4)
$\displaystyle \tan ^{-1}\left(\frac{2}{3}\right) \text { from } y \text {-axis }$
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JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.