Question Number 103239 by 9027201563 last updated on 13/Jul/20 Answered by OlafThorendsen last updated on 13/Jul/20 $$\mathrm{100}\:\mathrm{N}\:×\mathrm{cos45}°+\mathrm{60}\:\mathrm{N}\:=\:\mathrm{10}\:\mathrm{kg}\:×{a} \\ $$$${a}\:=\:\mathrm{10cos45}°+\mathrm{6}\:\approx\:\mathrm{13},\mathrm{1}\:\mathrm{m}.\mathrm{s}^{−\mathrm{2}} \\ $$$$\Rightarrow\:\boldsymbol{\mathrm{B}} \\ $$ Commented by…
Question Number 37691 by MJS last updated on 16/Jun/18 $$\mathrm{Sir}\:\mathrm{Aifour},\:\mathrm{I}\:\mathrm{just}\:\mathrm{answered}\:\mathrm{your}\:\mathrm{question} \\ $$$$\mathrm{number}\:\mathrm{37209}…\:\mathrm{greetings}\:\mathrm{from}\:\mathrm{a}\:\mathrm{rainy} \\ $$$$\mathrm{Saturday}\:\mathrm{evening}\:\mathrm{in}\:\mathrm{Vienna},\:\mathrm{Austria}! \\ $$ Commented by ajfour last updated on 16/Jun/18 $${rainy}\:{even}\:{up}\:{here},\:{Sir} \\…
Question Number 103205 by DGmichael last updated on 13/Jul/20 Answered by OlafThorendsen last updated on 13/Jul/20 $${f}\left(\lambda\right)\:=\:\underset{{k}=\mathrm{0}} {\overset{\infty} {\sum}}\frac{\lambda^{{k}} }{{k}!} \\ $$$$\Rightarrow\:{f}'\left(\lambda\right)\:=\:\underset{{k}=\mathrm{1}} {\overset{\infty} {\sum}}\frac{{k}\lambda^{{k}−\mathrm{1}} }{{k}!}\:=\:\underset{{k}=\mathrm{1}}…
Question Number 37652 by Rio Mike last updated on 16/Jun/18 $$\mathrm{A}\:\mathrm{car},\mathrm{of}\:\mathrm{mass}\:\mathrm{1000kg},\mathrm{has}\:\mathrm{an}\:\mathrm{engine} \\ $$$$\mathrm{capable}\:\mathrm{of}\:\mathrm{developing}\:\mathrm{power}\:\mathrm{of}\: \\ $$$$\mathrm{15Kw}\:\mathrm{against}\:\mathrm{a}\:\mathrm{constand}\:\mathrm{Resistance} \\ $$$$\mathrm{R}\:\mathrm{N}.\mathrm{The}\:\mathrm{maximum}\:\mathrm{speed}\:\mathrm{of}\:\mathrm{the}\:\mathrm{car} \\ $$$$\mathrm{on}\:\mathrm{level}\:\mathrm{road}\:\mathrm{is}\:\frac{\mathrm{100}}{\mathrm{3}}\:{ms}^{−\mathrm{1}} \: \\ $$$$\mathrm{Calculate}\:\mathrm{the}\:\mathrm{value}\:\mathrm{of}\:\mathrm{R}. \\ $$$$\mathrm{Given}\:\mathrm{that}\:\mathrm{the}\:\mathrm{resistance}\:\mathrm{and}\:\mathrm{the}\:\mathrm{power} \\…
Question Number 103186 by mohammad17 last updated on 13/Jul/20 $${Discuss}\:{whether}\:{the}\:{mean}\:{value}\:{theorem}\: \\ $$$${applies}\:{to}\:{the}\:{function}\:{f}\left({x}\right)=\sqrt{{x}^{\mathrm{2}} −\mathrm{4}}\:\:? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 103180 by mohammad17 last updated on 13/Jul/20 $${Let}\:{S}\:{be}\:{a}\:{nonempty}\:{subset}\:{of}\:{R}\:{that}\:{is}\:{bounded} \\ $$$${below}\:.\:{prove}\:{that}\:\left({inf}\left({S}\right)=−{sup}\left\{−{s}:{s}\in{S}\right\}\right)? \\ $$ Terms of Service Privacy Policy Contact: info@tinkutara.com
Question Number 103177 by mohammad17 last updated on 13/Jul/20 $${Find}\:{the}\:{gineral}\:{form}\:{of}\:{the}\:{sequence}\:\langle\mathrm{2},−\mathrm{2},\mathrm{2},−\mathrm{2},…..\rangle? \\ $$ Answered by Dwaipayan Shikari last updated on 13/Jul/20 $$\mathrm{2}\underset{{n}=\mathrm{1}} {\overset{\infty} {\sum}}\left(−\mathrm{1}\right)^{{n}+\mathrm{1}} \\ $$…
Question Number 168710 by bekzodjumayev last updated on 16/Apr/22 Commented by bekzodjumayev last updated on 16/Apr/22 $${Please}\:{help} \\ $$ Commented by mather last updated on…
Question Number 168680 by mokys last updated on 15/Apr/22 Commented by mokys last updated on 15/Apr/22 $${help}\:{me}\:{sir}\:{please} \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 168669 by mokys last updated on 15/Apr/22 $$\boldsymbol{{convert}}\:\boldsymbol{{the}}\:\boldsymbol{{intigeral}}\:\int_{\mathrm{1}} ^{\:\mathrm{2}} \:\int_{\mathrm{0}} ^{\:\mathrm{1}} \mathrm{4}\boldsymbol{{xy}}^{\mathrm{3}} \boldsymbol{{dxdy}}\:\boldsymbol{{to}}\:\boldsymbol{{polar}}\:\boldsymbol{{cordinaite}}\:\boldsymbol{{and}}\:\boldsymbol{{it}}\:\boldsymbol{{solve}}\:? \\ $$ Commented by mokys last updated on 15/Apr/22 $${false}…