Question Number 118733 by mohammad17 last updated on 19/Oct/20 Commented by bemath last updated on 19/Oct/20 $$\left(\mathrm{4}\right)\:\frac{{d}}{{dx}}\:\left[\:\int\:_{{x}^{\mathrm{3}} } ^{\mathrm{2}{x}^{\mathrm{2}} } \:\mathrm{cos}\:\left(\mathrm{2}{t}^{\mathrm{3}} +\mathrm{1}\right)\:{dt}\:\right]\:= \\ $$$$\mathrm{4}{x}\:\mathrm{cos}\:\left(\mathrm{2}.\left(\mathrm{8}{x}^{\mathrm{6}} \right)+\mathrm{1}\right)−\mathrm{3}{x}^{\mathrm{2}}…
Question Number 118730 by Cristina last updated on 19/Oct/20 $$\mathrm{Interrogazione}\:\mathrm{Fisica}\:\mathrm{ambientale} \\ $$$$\mathrm{S}=\frac{\mathrm{1}}{\mathrm{2}}\mathrm{at}^{\mathrm{2}} \:\:\:\:\:\:\:\:\:\mathrm{a}=\frac{\mathrm{2S}}{\mathrm{t}^{\mathrm{2}} } \\ $$$$\mathrm{V}=\mathrm{at}\:\:\:\:\mathrm{a}=\frac{\Delta\mathrm{V}}{\Delta\mathrm{t}} \\ $$$$ \\ $$ Terms of Service Privacy Policy…
Question Number 184260 by Ml last updated on 04/Jan/23 $$\mathrm{x}+\frac{\mathrm{1}}{\mathrm{x}}=−\mathrm{1} \\ $$$$\mathrm{x}^{\mathrm{1377}} =? \\ $$ Answered by SEKRET last updated on 04/Jan/23 $$\:\:\:\:\boldsymbol{\mathrm{x}}^{\mathrm{2}} +\mathrm{1}=−\boldsymbol{\mathrm{x}} \\…
Question Number 118731 by Cristina last updated on 19/Oct/20 $$\mathrm{TERMODINAMICA}\:−\:\mathrm{FISICA}\:\mathrm{AMBIENTALE} \\ $$$$\mathrm{In}\:\mathrm{meccanica}\:\mathrm{la}\:\mathrm{grandezza}\:\mathrm{responsabile}\:\mathrm{dell}'\mathrm{interazione}\:\mathrm{tra}\:\mathrm{i}\:\mathrm{corpi}\:\acute {\mathrm{e}}\:\mathrm{la}\:\mathrm{forza}. \\ $$$$\mathrm{Due}\:\mathrm{corpi}\:\mathrm{scambiano}\:\mathrm{calore}\:\mathrm{quando}\:\mathrm{sono}\:\mathrm{a}\:\mathrm{diversa}\:\mathrm{temperatura}. \\ $$$$\mathrm{In}\:\mathrm{termologia}\:\mathrm{la}\:\mathrm{grandezza}\:\mathrm{responsabile}\:\mathrm{dell}'\mathrm{interazione}\:\mathrm{termica}\:\mathrm{tra}\:\mathrm{corpi} \\ $$$$\acute {\mathrm{e}}\:\mathrm{la}\:\mathrm{differenza}\:\mathrm{di}\:\mathrm{temperatura}\:\left(\Delta\mathrm{T}\right). \\ $$$$\mathrm{Calore}\:\mathrm{e}\:\mathrm{lavoro}\:\mathrm{sono}\:\mathrm{modi}\:\mathrm{equivalenti}\:\mathrm{per}\:\mathrm{ottenere}\:\mathrm{gli}\:\mathrm{stessi}\:\mathrm{effetti}\:\mathrm{su}\:\mathrm{un}\: \\ $$$$\mathrm{corpo}\:\mathrm{con}\:\mathrm{interazioni}\:\mathrm{termiche}\:\mathrm{e}\:\mathrm{meccaniche}.\:\mathrm{Con}\:\mathrm{il}\:\mathrm{calore}\:\mathrm{si}\:\mathrm{pu}\acute {\mathrm{o}}\:\mathrm{fare}\:\mathrm{lavoro}…
Question Number 53188 by Otchere Abdullai last updated on 18/Jan/19 $${With}\:{a}\:{constant}\:{throttle}\:{setting}\: \\ $$$${a}\:{motor}\:{boat}\:{travels}\:\mathrm{36}\:{miles} \\ $$$${downstream}\:{and}\:{then}\:{returns}.\:{The} \\ $$$${downstream}\:{takes}\:\mathrm{6}\:{hours}\:{less}\:{than}\: \\ $$$${the}\:{return}\:{trip}.\:{when}\:{the}\:{speed}\:{of}\: \\ $$$${the}\:{motor}\:{boat}\:{is}\:{doubled},\:{the}\:{trip} \\ $$$${downstream}\:{is}\:\mathrm{1}\:{hour}\:{less}\:{than}\:{the}\: \\ $$$${return}\:{trip}.\:{what}\:{is}\:{the}\:{rate}\:{of}\:{the}…
Question Number 118716 by Cristina last updated on 19/Oct/20 $$\mathrm{Es}.\mathrm{176}\:\mathrm{pag}.\:\mathrm{31} \\ $$$$\mathrm{15}−\left(\mathrm{20}:\mathrm{4}\right)=\mathrm{15}−\mathrm{5}=\mathrm{10} \\ $$$$\mathrm{Es}.\mathrm{180}\:\mathrm{pag}.\mathrm{31} \\ $$$$\left[\left(\mathrm{5}−\mathrm{4}\right)\bullet\left(\mathrm{2}\bullet\mathrm{6}\right)\bullet\mathrm{2}\right]:\mathrm{8}=\left[\mathrm{1}\bullet\mathrm{12}\bullet\mathrm{2}\right]:\mathrm{8}=\mathrm{24}:\mathrm{8}=\mathrm{3} \\ $$$$\mathrm{Es}.\mathrm{281}\:\mathrm{pag}.\mathrm{36} \\ $$$$\left(\mathrm{2}^{\mathrm{6}} :\mathrm{2}^{\mathrm{4}} \right)\bullet\mathrm{2}^{\mathrm{3}} −\left(\mathrm{5}^{\mathrm{3}} :\mathrm{5}^{\mathrm{3}} \right)\bullet\left(\mathrm{3}^{\mathrm{2}}…
Question Number 118711 by Cristina last updated on 19/Oct/20 $$\mathrm{Ripasso}\:\mathrm{di}\:\mathrm{matematica}\:\mathrm{per}\:\mathrm{la}\:\mathrm{verifica} \\ $$$$\mathrm{L}'\mathrm{addizione}\:\mathrm{non}\:\mathrm{gode}\:\mathrm{della}\:\mathrm{propriet}\acute {\mathrm{a}}\:\mathrm{invariantiva} \\ $$$$\mathrm{7}+\mathrm{11}=\left(\mathrm{7}−\mathrm{3}\right)+\left(\mathrm{11}−\mathrm{3}\right)\:\:\:\:\mathrm{FALSO} \\ $$$$\mathrm{Propriet}\acute {\mathrm{a}}\:\mathrm{distributiva}\:\mathrm{della}\:\mathrm{moltiplicazione}\:\mathrm{rispetto}\:\mathrm{alla}\:\mathrm{sottrazione} \\ $$$$\mathrm{5}\bullet\left(\mathrm{6}−\mathrm{4}\right)=\mathrm{30}−\mathrm{20} \\ $$$$\mathrm{Risolvere}\:\mathrm{la}\:\mathrm{seguente}\:\mathrm{espressione} \\ $$$$\left[\left(\mathrm{2}+\mathrm{1}\right)^{\mathrm{4}} \bullet\mathrm{2}^{\mathrm{7}}…
Question Number 53156 by peter frank last updated on 18/Jan/19 Answered by peter frank last updated on 18/Jan/19 $${eV}=\frac{\mathrm{1}}{\mathrm{2}}{mv}^{\mathrm{2}} \\ $$$$\frac{{e}}{{m}}=\frac{{v}^{\mathrm{2}} }{\mathrm{2}{V}} \\ $$$$ \\…
Question Number 184223 by SEKRET last updated on 09/Jan/23 $$ \\ $$ Commented by cortano1 last updated on 04/Jan/23 $${hahaha}…. \\ $$ Commented by mr…
Question Number 118650 by Hassen_Timol last updated on 18/Oct/20 $$\mathrm{What}\:\mathrm{is}\:\mathrm{the}\:\left(\mathrm{explicit}\right)\:\mathrm{formula}\:\mathrm{of}\:\mathrm{this}\:\mathrm{sequence}\:? \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\mathrm{19},\:\mathrm{151},\:\mathrm{1021},\:\mathrm{50389} \\ $$ Answered by MJS_new last updated on 18/Oct/20 $$\mathrm{zillions}\:\mathrm{of}\:\mathrm{possible}\:\mathrm{formulas} \\ $$$$\mathrm{i}.\mathrm{e}. \\…