The displacement is given by $x=2 t^2+t+5$, the acceleration at $t=2 \mathrm{~s}$ is
- $4 \mathrm{~m} \cdot \mathrm{s}^{-2}$
- $8 \mathrm{~m} \cdot \mathrm{s}^{-2}$
- $10 m . s^{-2}$
- $15 \mathrm{~m} \cdot \mathrm{s}^{-2}$
Solution
Asked in: AP EAMCET 2020 (07 Oct Special)