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In the previous question, the mean velocity of the rocket reaching the maximum height is :A. `100ms^(-1)`B. `50ms^(-1)`C. `500ms^(-1)`D. `25//3ms^(-1)` |
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Answer» Correct Answer - C `"Mean velocity"=("Displacement")/("Total time")=("Total height")/("Total time")` `=(10,000m)/(20sec)=500 m//s` |
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