Menu Close

Category: None

Question-90911

Question Number 90911 by liki last updated on 26/Apr/20 Commented by liki last updated on 26/Apr/20 $$\mathrm{sory}\:\mathrm{all}\:,\mathrm{is}\:\mathrm{this}\:\mathrm{qiestion}\:\mathrm{same}\:\mathrm{as}\:\mathrm{find}\:\mathrm{lcm}? \\ $$ Commented by mr W last updated…

in-a-second-order-differenti-equation-a-4-henry-inductor-an-8-ohm-resistor-and-o-2-farad-capacito-are-connected-in-series-with-the-temperature-of-the-battery-with-ggl-E-80-sin-3t-solid-0-the-charg

Question Number 156432 by joki last updated on 11/Oct/21 $$\mathrm{in}\:\mathrm{a}\:\mathrm{second}\:\mathrm{order}\:\mathrm{differenti}\:\mathrm{equation},\:\mathrm{a}\:\mathrm{4}\:\mathrm{henry} \\ $$$$\mathrm{inductor},\mathrm{an}\:\mathrm{8}\:\mathrm{ohm}\:\mathrm{resistor}\:\mathrm{and}\:\mathrm{o}.\mathrm{2}\:\mathrm{farad}\:\mathrm{capacito} \\ $$$$\mathrm{are}\:\mathrm{connected}\:\mathrm{in}\:\mathrm{series}\:\mathrm{with}\:\mathrm{the}\:\mathrm{temperature}\:\mathrm{of}\: \\ $$$$\mathrm{the}\:\mathrm{battery}\:\mathrm{with}\:\mathrm{ggl}.\:\mathrm{E}=\mathrm{80}\:\mathrm{sin}\:\mathrm{3t}.\:\mathrm{solid}=\mathrm{0}\:\mathrm{the} \\ $$$$\mathrm{charge}\:\mathrm{in}\:\mathrm{the}\:\mathrm{capacitor}\:\mathrm{and}\:\mathrm{the}\:\mathrm{current}\:\mathrm{in}\:\mathrm{the}\: \\ $$$$\mathrm{circuit}\:\mathrm{is}\:\mathrm{zero}. \\ $$$$\mathrm{a}.\mathrm{charge} \\ $$$$\mathrm{b}.\mathrm{current}\:\mathrm{at}\:\mathrm{t}>\mathrm{0} \\…

Given-that-tan-and-tan-are-the-roots-of-the-equation-x-2-3ax-4a-1-0-where-a-gt-1-and-pi-2-pi-2-Evaluate-tan-2-

Question Number 156426 by ZiYangLee last updated on 11/Oct/21 $$\mathrm{Given}\:\mathrm{that}\:\mathrm{tan}\:\alpha\:\mathrm{and}\:\mathrm{tan}\:\beta\:\mathrm{are}\:\mathrm{the}\:\mathrm{roots}\: \\ $$$$\mathrm{of}\:\mathrm{the}\:\mathrm{equation}\:{x}^{\mathrm{2}} +\mathrm{3}{ax}+\mathrm{4}{a}+\mathrm{1}=\mathrm{0},\: \\ $$$$\mathrm{where}\:{a}>\mathrm{1}\:\mathrm{and}\:\alpha,\beta\in\left(−\frac{\pi}{\mathrm{2}},\frac{\pi}{\mathrm{2}}\right).\: \\ $$$$\mathrm{Evaluate}\:\mathrm{tan}\left(\frac{\alpha+\beta}{\mathrm{2}}\right). \\ $$ Answered by mr W last updated…

Question-156422

Question Number 156422 by SANOGO last updated on 11/Oct/21 Commented by cortano last updated on 11/Oct/21 $$\:\mathrm{let}\:\mathrm{x}=\mathrm{t}^{\mathrm{6}} \:\rightarrow\mathrm{dx}=\mathrm{6t}^{\mathrm{5}} \:\mathrm{dt} \\ $$$$\mathrm{I}=\int\:\frac{\mathrm{t}^{\mathrm{3}} }{\mathrm{1}−\mathrm{t}^{\mathrm{2}} }\:\left(\mathrm{6t}^{\mathrm{5}} \:\mathrm{dt}\right) \\…

find-two-numbers-between-1-3-and-3-4-

Question Number 156403 by abdurehime last updated on 10/Oct/21 $$\mathrm{find}\:\mathrm{two}\:\mathrm{numbers}\:\mathrm{between}\: \\ $$$$\frac{\mathrm{1}}{\mathrm{3}}\mathrm{and}\:\frac{\mathrm{3}}{\mathrm{4}} \\ $$ Commented by MJS_new last updated on 10/Oct/21 $$\frac{\mathrm{1}}{\mathrm{3}}=\frac{\mathrm{4}}{\mathrm{12}} \\ $$$$\frac{\mathrm{3}}{\mathrm{4}}=\frac{\mathrm{9}}{\mathrm{12}} \\…

0-2-x-2-sin-x-dx-

Question Number 156381 by aliyn last updated on 10/Oct/21 $$\int_{\mathrm{0}} ^{\:\frac{\boldsymbol{\pi}}{\mathrm{2}}} \:\frac{\boldsymbol{{x}}^{\mathrm{2}} }{\boldsymbol{{sin}}\left(\boldsymbol{{x}}\right)}\:\boldsymbol{{dx}} \\ $$ Commented by aliyn last updated on 11/Oct/21 $$???? \\ $$…

A-man-pushes-a-box-of-40kg-up-an-incline-of-15-If-the-man-applied-a-horizontal-force-200N-and-the-box-moves-up-the-plane-a-distance-of-20m-at-a-constant-velocity-and-the-coefficient-of-friction-is-0-

Question Number 25308 by NECx last updated on 08/Dec/17 $${A}\:{man}\:{pushes}\:{a}\:{box}\:{of}\:\mathrm{40}{kg}\:{up}\:{an} \\ $$$${incline}\:{of}\:\mathrm{15}°.{If}\:{the}\:{man}\:{applied} \\ $$$${a}\:{horizontal}\:{force}\:\mathrm{200}{N}\:{and}\:{the} \\ $$$${box}\:{moves}\:{up}\:{the}\:{plane}\:{a}\:{distance} \\ $$$${of}\:\mathrm{20}{m}\:{at}\:{a}\:{constant}\:{velocity}\:{and} \\ $$$${the}\:{coefficient}\:{of}\:{friction}\:{is}\:\mathrm{0}.\mathrm{10}, \\ $$$${find} \\ $$$$\left.{a}\right){workdone}\:{by}\:{the}\:{man}\:{on}\:{the} \\…

An-object-constrained-to-move-along-the-x-axis-is-acted-upon-by-a-force-F-x-where-a-5N-m-b-2N-m-F-x-ax-bx-2-The-object-is-observed-to-proceed-directly-from-x-1m-to-x-3m-How-much-work-was-done-b

Question Number 25307 by NECx last updated on 08/Dec/17 $${An}\:{object}\:{constrained}\:{to}\:{move} \\ $$$${along}\:{the}\:{x}-{axis}\:{is}\:{acted}\:{upon}\:{by} \\ $$$${a}\:{force}\:{F}\left({x}\right)\:{where}\:{a}=\mathrm{5}{N}/{m}, \\ $$$${b}=−\mathrm{2}{N}/{m}.\:{F}\left({x}\right)={ax}+{bx}^{\mathrm{2}} \\ $$$${The}\:{object}\:{is}\:{observed}\:{to}\:{proceed} \\ $$$${directly}\:{from}\:{x}=\mathrm{1}{m}\:{to}\:{x}=\mathrm{3}{m}. \\ $$$${How}\:{much}\:{work}\:{was}\:{done}\:{by}\:{the} \\ $$$${object}\:{by}\:{the}\:{force}?{Does}\:{the} \\…