Question Number 6642 by WAI LIN last updated on 07/Jul/16 $${Represent}\:{the}\:{vector}\:{A}={zi}−\mathrm{2}{xj}+{yk}\:{in}\:{cylindrical}\:{coordinates}. \\ $$$${Thus}\:{determine}\:{A}_{\rho} ,\:{A}_{\phi} ,\:{A}_{{z}} . \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 137708 by mohammad17 last updated on 05/Apr/21 Commented by mohammad17 last updated on 05/Apr/21 $${prove} \\ $$ Answered by mr W last updated…
Question Number 6641 by WAI LIN last updated on 07/Jul/16 $${Q}\left(\mathrm{1}\right)\:{Express}\:{div}\:{A}\:=\:\bigtriangledown\:.\:{A}\:{in}\:{orthogonal}\:{coordinates}. \\ $$$${Q}\left(\mathrm{2}\right)\:{Express}\:\bigtriangledown^{\mathrm{2}} \:\phi\:{in}\:{orthogonal}\:{curvilinear}\:{coordinates}. \\ $$$${Q}\left(\mathrm{3}\right)\:{Express}\:\left({a}\right)\:\bigtriangledown\:×\:{Aand}\:\left({b}\right)\:\bigtriangledown^{\mathrm{2}} \phi\:{in}\:{spherical}\:{coordinates}. \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 137707 by mohammad17 last updated on 05/Apr/21 Answered by Dwaipayan Shikari last updated on 05/Apr/21 $$\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{2}}} \sqrt{{tan}\theta}\:{d}\theta \\ $$$$=\int_{\mathrm{0}} ^{\frac{\pi}{\mathrm{2}}} {sin}^{\frac{\mathrm{1}}{\mathrm{2}}} \theta\:\:{cos}^{−\frac{\mathrm{1}}{\mathrm{2}}}…
Question Number 137706 by otchereabdullai@gmail.com last updated on 05/Apr/21 $$\mathrm{what}\:\mathrm{is}\:\mathrm{the}\:\mathrm{linear}\:\mathrm{momentum}\:\mathrm{of} \\ $$$$\mathrm{a}\:\mathrm{5kg}\:\mathrm{object}\:\mathrm{moing}\:\mathrm{at}\:\mathrm{4ms}^{−\mathrm{1}} \:\mathrm{due}\:\mathrm{east}. \\ $$ Answered by Dwaipayan Shikari last updated on 05/Apr/21 $${linear}\:{momentum}\:={m}\overset{\rightarrow} {{v}}=\mathrm{5}×\mathrm{4}\:{kgms}^{−\mathrm{1}}…
Question Number 137702 by SOMEDAVONG last updated on 05/Apr/21 $$\mathrm{A}=\sqrt{\mathrm{5}+\sqrt{\mathrm{13}+\sqrt{\mathrm{5}+\sqrt{\mathrm{13}+……..}}}} \\ $$ Answered by MJS_new last updated on 05/Apr/21 $${A}>\sqrt{\mathrm{5}} \\ $$$$\left({A}^{\mathrm{2}} −\mathrm{5}\right)^{\mathrm{2}} −\mathrm{13}={A} \\…
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Question Number 6610 by Temp last updated on 05/Jul/16 $$\mathrm{If}\:\mathrm{you}\:\mathrm{have}\:\mathrm{a}\:\mathrm{real}\:\mathrm{continuous}\:\mathrm{function}\:{f}\left({x}\right), \\ $$$$\mathrm{If}\:\mathrm{you}\:\mathrm{take}\:\mathrm{a}\:\mathrm{distance}\:\mathrm{between} \\ $$$${f}\left({x}\right)\:\mathrm{and}\:{f}\left({x}+\mathrm{1}\right),\:\mathrm{what}\:\mathrm{is}\:\mathrm{the}\:\mathrm{average} \\ $$$$\mathrm{distance}\:\mathrm{within}\:{a}\leqslant{x}\leqslant{b}? \\ $$ Commented by Temp last updated on 05/Jul/16…
Question Number 72145 by Maclaurin Stickker last updated on 25/Oct/19 $${prove}\:{that}: \\ $$$$\mathrm{cos}\:\alpha×\mathrm{cos}\:\mathrm{2}\alpha×{cos}\:\mathrm{2}^{\mathrm{2}} \alpha…{cos}\:\mathrm{2}^{{n}} \alpha \\ $$$$=\frac{\mathrm{sin}\:\mathrm{2}^{{n}+\mathrm{1}} \alpha}{\mathrm{2}^{{n}+\mathrm{1}} \mathrm{sin}\:\alpha} \\ $$$$ \\ $$ Commented by…