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A mango tree is at the bank of a river and one of the branch of tree extends over the river. A tortoise lives in the river. A mango falls just ono the tortoise. The acceleration of the mango falling from tree as it appears to the tortoise is (refractive index of water is `4//3` and the tortoise is stationary)A. gB. `(3g)/(4)`C. `(4g)/(3)`D. none of these |
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Answer» Correct Answer - C `(x)/(1)=(x_(rel))/(mu)" "x_(rel)= mu x` `(d^(2)x_(rel))/(dt^(2))=mu(d^(2)x)/(dt^(2))" "a_(rel)=mu g`. |
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