# Starting from the origin at time $t=0$, with initial velocity $5 \hat{j} \mathrm{~ms}^{-1}$, a particle moves in the $x-y$ plane with a constant acceleration of $(10 \hat{i}+4 \hat{j}) \mathrm{ms}^{-2}$. At time $t$, its coordiantes are $\left(20 \mathrm{~m}, y_{0} \mathrm{~m}\right)$. The values of $t$ and $y_{0}$ are, respectively:

Question:

Starting from the origin at time $t=0$, with initial velocity

$5 \hat{j} \mathrm{~ms}^{-1}$, a particle moves in the $x-y$ plane with a constant acceleration of $(10 \hat{i}+4 \hat{j}) \mathrm{ms}^{-2}$. At time $t$, its coordiantes are $\left(20 \mathrm{~m}, y_{0} \mathrm{~m}\right)$. The values of $t$ and $y_{0}$ are, respectively:

1. $2 \mathrm{~s}$ and $18 \mathrm{~m}$

2. $4 \mathrm{~s}$ and $52 \mathrm{~m}$

3. $2 \mathrm{~s}$ and $24 \mathrm{~m}$

4. $5 \mathrm{~s}$ and $25 \mathrm{~m}$

JEE Main Previous Year Single Correct Question of JEE Main from Physics Motion in a Plane chapter.

JEE Main Previous Year Sep. 04, 2020 (I)

Correct Option: 1

Solution:

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