[" 25.If "g" is acceleration due to grav...

[" 25.If "g" is acceleration due to gravity on the surface of the earth and "R" is radius of the "],[" earth,the height from which a body should be released so that it reaches the ground "],[" with velocity "sqrt(gR/2)" is "],[[" 1) "3R," 2) "(R)/(3)," 3) "2R," 4) "(R)/(2)]]

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[" 25.If "g" is acceleration due to gravity on the surface of the earth and "R" is radius of the "],[" earth,the height from which a body should be released so that it reaches the ground "],[" with velocity "sqrt(gR/2)" is "],[[" 1) "3R," 2) "(R)/(3)," 3) "2R," 4) "(R)/(2)]]

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