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Author: Tinku Tara

Ten-balls-were-manufactured-nine-of-them-have-the-same-mass-while-just-one-of-them-has-a-slightly-higher-or-slightly-lower-mass-Given-is-just-a-beam-balance-and-no-weights-comparing-the-masses-of

Question Number 16450 by ajfour last updated on 22/Jun/17 $${Ten}\:{balls}\:{were}\:{manufactured}, \\ $$$$\:{nine}\:{of}\:{them}\:{have}\:{the}\:{same} \\ $$$${mass},\:{while}\:{just}\:{one}\:{of}\:{them} \\ $$$${has}\:{a}\:{slightly}\:{higher}\:{or}\:{slightly} \\ $$$${lower}\:{mass}.\:{Given}\:{is}\:{just}\:{a}\:{beam} \\ $$$${balance}\:{and}\:{no}\:{weights}.\:{comparing} \\ $$$${the}\:{masses}\:{of}\:{balls}\:{only},\:{with}\:{the} \\ $$$${help}\:{of}\:{the}\:{balance}\:,\:{and}\:{in}\:{just} \\…

Question-81980

Question Number 81980 by Hassen_Timol last updated on 17/Feb/20 Commented by Hassen_Timol last updated on 17/Feb/20 $$\mathrm{What}\:\mathrm{are}\:\mathrm{the}\:\mathrm{values}\:\mathrm{of}\:\mathrm{these}\:\mathrm{2}\:\mathrm{numbers}\:\mathrm{please}? \\ $$ Commented by Hassen_Timol last updated on…

Question-81971

Question Number 81971 by TawaTawa last updated on 17/Feb/20 Answered by mind is power last updated on 17/Feb/20 $${angle}\:{between}\:{Wire}\:{and}\:{vertical}=\mathrm{cos}^{−\mathrm{1}} \left(\frac{\mathrm{1}.\mathrm{5}}{\mathrm{2}}\right)=\alpha \\ $$$${we}\:{get}\:\Sigma\overset{\rightarrow} {{F}}=\overset{\rightarrow} {\mathrm{0}} \\…