Question Number 16152 by Tinkutara last updated on 18/Jun/17 $$\mathrm{In}\:\mathrm{long}\:\mathrm{jump},\:\mathrm{does}\:\mathrm{it}\:\mathrm{matter}\:\mathrm{how}\:\mathrm{high} \\ $$$$\mathrm{you}\:\mathrm{jump}?\:\mathrm{What}\:\mathrm{factors}\:\mathrm{determine}\:\mathrm{the} \\ $$$$\mathrm{span}\:\mathrm{of}\:\mathrm{the}\:\mathrm{jump}? \\ $$ Answered by ajfour last updated on 18/Jun/17 $$\:{it}\:{is}\:{the}\:{height}\:{that}\:{increases} \\…
Question Number 16150 by Tinkutara last updated on 18/Jun/17 $$\mathrm{A}\:\mathrm{projectile}\:\mathrm{is}\:\mathrm{fired}\:\mathrm{at}\:\mathrm{an}\:\mathrm{angle}\:\theta\:\mathrm{with} \\ $$$$\mathrm{the}\:\mathrm{horizontal}\:\mathrm{direction}\:\mathrm{from}\:{O}. \\ $$$$\mathrm{Neglecting}\:\mathrm{the}\:\mathrm{air}\:\mathrm{friction},\:\mathrm{it}\:\mathrm{hits}\:\mathrm{the} \\ $$$$\mathrm{ground}\:\mathrm{at}\:{B}\:\mathrm{after}\:\mathrm{3}\:\mathrm{seconds}.\:\mathrm{What}\:\mathrm{is} \\ $$$$\mathrm{the}\:\mathrm{height}\:\mathrm{of}\:\mathrm{point}\:{A}\:\mathrm{from}\:\mathrm{ground}? \\ $$$$\left[\mathrm{Use}\:{g}\:=\:\mathrm{10}\:\mathrm{m}/\mathrm{s}^{\mathrm{2}} \right] \\ $$ Commented by…
Question Number 147223 by mathlove last updated on 19/Jul/21 Commented by bramlexs22 last updated on 19/Jul/21 $$\:\:\:\mathrm{2}^{\mathrm{3x}} +\mathrm{2}^{\mathrm{x}} .\mathrm{3}^{\mathrm{2x}} −\mathrm{2}.\mathrm{3}^{\mathrm{3x}} \:=\:\mathrm{0} \\ $$$$\:\begin{cases}{\mathrm{2}^{\mathrm{x}} =\mathrm{u}}\\{\mathrm{3}^{\mathrm{x}} =\mathrm{v}}\end{cases}\:\Rightarrow\mathrm{u}^{\mathrm{3}}…
Question Number 81684 by naka3546 last updated on 14/Feb/20 $$\int\:\:\:\frac{{dx}}{{x}^{\mathrm{3}} \:+\:\mathrm{1}}\:\:=\:\:… \\ $$ Commented by Tony Lin last updated on 14/Feb/20 $$\int\:\frac{{dx}}{{x}^{\mathrm{3}} +\mathrm{1}} \\ $$$$=\int\frac{{dx}}{\left({x}+\mathrm{1}\right)\left({x}^{\mathrm{2}}…
Question Number 147222 by alcohol last updated on 19/Jul/21 $${S}\:=\:\underset{{k}=\mathrm{1}} {\overset{{p}} {\sum}}{k}^{\mathrm{2}} {e}^{{k}} \\ $$$${Find}\:{S} \\ $$ Answered by mindispower last updated on 19/Jul/21 $${let}\:{f}\left({x}\right)=\underset{{k}=\mathrm{1}}…
Question Number 147218 by mathmax by abdo last updated on 19/Jul/21 $$\mathrm{calculate}\:\int_{\mid\mathrm{z}−\mathrm{1}\mid=\mathrm{2}} \:\:\:\:\frac{\mathrm{e}^{\mathrm{z}} }{\left(\mathrm{z}+\mathrm{i}\sqrt{\mathrm{2}}\right)^{\mathrm{2}} \left(\mathrm{z}+\mathrm{i}\right)^{\mathrm{2}} \left(\mathrm{2z}−\mathrm{1}\right)}\mathrm{dz} \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 147213 by Mrsof last updated on 18/Jul/21 $$\left(\mathrm{1}\right)\int\:\frac{{cosz}}{\left({z}+\mathrm{1}\right)^{\mathrm{2}} }{dz}\:\:\:\:\:,\:\:\mid{z}\mid=\mathrm{1} \\ $$$$ \\ $$$$\left(\mathrm{2}\right)\:\int\:\frac{{cosz}}{\left({z}−\mathrm{1}\right)^{\mathrm{2}} }{dz}\:\:\:\:\:,\mid{z}\mid=\mathrm{1} \\ $$ Answered by mathmax by abdo last updated…
Question Number 16140 by b.e.h.i.8.3.4.1.7@gmail.com last updated on 18/Jun/17 Answered by ajfour last updated on 18/Jun/17 $${Area}_{\Delta{ABC}} \:=\:\frac{\mathrm{1}}{\:\sqrt{\mathrm{3}}}\left({a}^{\mathrm{2}} +{ab}+{b}^{\mathrm{2}} \right)\: \\ $$ Commented by b.e.h.i.8.3.4.1.7@gmail.com…
Question Number 147209 by alcohol last updated on 18/Jul/21 Commented by Ar Brandon last updated on 19/Jul/21 $$\mathrm{1}.\int_{−\mathrm{a}} ^{\mathrm{a}} \mathrm{f}\left(\mathrm{x}\right)\mathrm{dx}=\int_{−\mathrm{a}} ^{\mathrm{0}} \mathrm{f}\left(\mathrm{x}\right)\mathrm{dx}+\int_{\mathrm{0}} ^{\mathrm{a}} \mathrm{f}\left(\mathrm{x}\right)\mathrm{dx} \\…
Question Number 81674 by Power last updated on 14/Feb/20 Commented by Tony Lin last updated on 14/Feb/20 $${let}\:{y}=\mathrm{7}−{x}^{\mathrm{2}} \\ $$$${x}+\left(\mathrm{7}−{x}^{\mathrm{2}} \right)^{\mathrm{2}} =\mathrm{11} \\ $$$${x}+\left({x}^{\mathrm{4}} −\mathrm{14}{x}^{\mathrm{2}}…