A particle has an initial velocity 3 i +4 j and an acceleration of 0.4 i +0.3 j . Its…
Physics · JEE Main · NTA Exams — Kinematics
A particle has an initial velocity \(3 \hat{i}+4 \hat{j}\) and an acceleration of \(0.4 \hat{\mathbf{i}}+0.3 \hat{\mathbf{j}}\). Its speed after 10 s is
- 10 unit
- \(7 \sqrt{2}\) unit
- 7 unit
- 8.5 unit
Answer
(B) 7 2 unit
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