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…
Question Number 137678 by otchereabdullai@gmail.com last updated on 05/Apr/21 $$\mathrm{Find}\:\mathrm{the}\:\mathrm{numbers}\:\mathrm{a}\:\mathrm{and}\:\mathrm{b}\:\mathrm{such}\:\mathrm{that} \\ $$$$\mathrm{x}^{\mathrm{2}} −\mathrm{4x}−\mathrm{5}=\mathrm{a}+\left(\mathrm{a}+\mathrm{b}\right)^{\mathrm{2}} \\ $$ Commented by mr W last updated on 05/Apr/21 $${LHS}\:{is}\:{a}\:{function}!\:{you}\:{can}\:{not}\: \\…
Question Number 137667 by aurpeyz last updated on 05/Apr/21 $${y}={log}_{\mathrm{2}} \left({x}^{\mathrm{5}} +\mathrm{4}\right)\:{find}\:\frac{{dy}}{{dx}} \\ $$ Answered by Dwaipayan Shikari last updated on 05/Apr/21 $${y}=\frac{{log}\left({x}^{\mathrm{5}} +\mathrm{4}\right)}{{log}\left(\mathrm{2}\right)}\Rightarrow\frac{{dy}}{{dx}}=\frac{\mathrm{1}}{{log}\left(\mathrm{2}\right)}.\frac{\mathrm{5}{x}^{\mathrm{4}} }{{x}^{\mathrm{5}}…
Question Number 137659 by JulioCesar last updated on 05/Apr/21 Commented by JulioCesar last updated on 05/Apr/21 $${help}\:{me} \\ $$ Commented by MJS_new last updated on…
Question Number 137652 by ZiYangLee last updated on 05/Apr/21 $$\mathrm{Given}\:\mathrm{that}\:\alpha,\beta,\gamma\:\mathrm{are}\:\mathrm{the}\:\mathrm{three}\:\mathrm{roots}\:\mathrm{of}\: \\ $$$$\mathrm{the}\:\mathrm{equation}\:\left({x}−\mathrm{59}\right)^{\mathrm{3}} +\left(\mathrm{2}{x}−\mathrm{64}\right)^{\mathrm{3}} =\left(\mathrm{3}{x}−\mathrm{123}\right)^{\mathrm{3}} , \\ $$$$\mathrm{find}\:\mathrm{the}\:\mathrm{value}\:\mathrm{of}\:\alpha+\beta+\gamma. \\ $$ Answered by mitica last updated on…