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Question Number 66986 by Mr Jor last updated on 21/Aug/19

Commented by Mr Jor last updated on 21/Aug/19

The metal solid above is made up  by joining a hemisphere of radius  7cm to a cylinder of the same radius.  The mass and density of the solid  are 40kg and 17.5gm per cm^3 ,  respectively.Calculate the height  of the cylindrical part of the solid.                          Ans:10.18cm

$${The}\:{metal}\:{solid}\:{above}\:{is}\:{made}\:{up} \\ $$$${by}\:{joining}\:{a}\:{hemisphere}\:{of}\:{radius} \\ $$$$\mathrm{7}{cm}\:{to}\:{a}\:{cylinder}\:{of}\:{the}\:{same}\:{radius}. \\ $$$${The}\:{mass}\:{and}\:{density}\:{of}\:{the}\:{solid} \\ $$$${are}\:\mathrm{40}{kg}\:{and}\:\mathrm{17}.\mathrm{5}{gm}\:{per}\:{cm}^{\mathrm{3}} , \\ $$$${respectively}.{Calculate}\:{the}\:{height} \\ $$$${of}\:{the}\:{cylindrical}\:{part}\:{of}\:{the}\:{solid}. \\ $$$$ \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:{Ans}:\mathrm{10}.\mathrm{18}{cm} \\ $$

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