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For the previous question, the acceleration of the particle at any time `t` is :A. ` -0.8 m//s^(2)`B. `0.8 m//s^(2)`C. `-0.6 m//s^(2)`D. `0.5 m//s^(2)` |
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Answer» Correct Answer - A `(ds)/(dt)=15-0.8 t=7=v` `8=0.8t` `t=10` second `a=(d^(2)s)/(dt^(2))=-0.8 m//s_(2)`. |
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