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  • A particle has initial velocity  and acceleration <img al

A particle has initial velocity  (2\vec{i}+3\vec{j})and acceleration (0.3\vec{i}+0.2\vec{j}) . The magnitude of velocity after 10 seconds will be:

Option: 1

9\sqrt2\: \: \: units


Option: 2

5\sqrt2\: \: \: units


Option: 3

5 Units


Option: 4

9 Units


Answers (1)

best_answer

\\ \text{From the equation of motion, we knows,} \\ \\ $V = u + at$ \\ $v=(2 i+3 j)$ \\ $a=(0.3 i+0.2))$ \\ $v=(2 i+3 j)+(0.3 i+0.2 j) \times 10$ \\ $v =5 i +5 j$ \\ $v=5 \sqrt{2}$ units

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Anam Khan

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