A particle moves from the point $\left( {2.0\widehat i + 4.0\widehat j} \right)$ m, at t = 0, with an initial velocity $\left( {5.0\widehat i + 4.0\widehat j} \right)$ ms$-$1. It is acted upon by a constant force which produces a constant acceleration $\left( {4.0\widehat i + 4.0\widehat j} \right)$ ms$-$2. What is the distance of the particle from the origin at time 2 s?

Question

A particle moves from the point $\left( {2.0\widehat i + 4.0\widehat j} \right)$ m, at t = 0, with an initial velocity $\left( {5.0\widehat i + 4.0\widehat j} \right)$ ms^$-$1. It is acted upon by a constant force which produces a constant acceleration $\left( {4.0\widehat i + 4.0\widehat j} \right)$ ms^$-$2. What is the distance of the particle from the origin at time 2 s?

15 m

$20\sqrt 2 $ m

$10\sqrt 2 $ m

5 m

Solution

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