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Interrogazione-Fisica-ambientale-S-1-2-at-2-a-2S-t-2-V-at-a-V-t-

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…

x-1-x-1-x-1377-

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}} \\…

TERMODINAMICA-FISICA-AMBIENTALE-In-meccanica-la-grandezza-responsabile-dell-interazione-tra-i-corpi-e-la-forza-Due-corpi-scambiano-calore-quando-sono-a-diversa-temperatura-In-termologia-la-gran

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}…

With-a-constant-throttle-setting-a-motor-boat-travels-36-miles-downstream-and-then-returns-The-downstream-takes-6-hours-less-than-the-return-trip-when-the-speed-of-the-motor-boat-is-doubled-the-

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}…

Es-176-pag-31-15-20-4-15-5-10-Es-180-pag-31-5-4-2-6-2-8-1-12-2-8-24-8-3-Es-281-pag-36-2-6-2-4-2-3-5-3-5-3-3-2-3-2-2-2-3-5-0-3-3-2-5-5-0-3-3-2-5-1-3-3-32-27-5-

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}}…

Ripasso-di-matematica-per-la-verifica-L-addizione-non-gode-della-proprieta-invariantiva-7-11-7-3-11-3-FALSO-Proprieta-distributiva-della-moltiplicazione-rispetto-alla-sottrazione-5-6-4-

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}}…

What-is-the-explicit-formula-of-this-sequence-19-151-1021-50389-

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}. \\…