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If-separate-samples-of-argon-methane-nitrogen-and-carbon-dioxide-all-at-the-same-initial-temperature-and-pressure-and-expanded-adiabatically-reversibally-to-double-their-original-volumes-then-whic

Question Number 22325 by Tinkutara last updated on 15/Oct/17 $$\mathrm{If}\:\mathrm{separate}\:\mathrm{samples}\:\mathrm{of}\:\mathrm{argon},\:\mathrm{methane}, \\ $$$$\mathrm{nitrogen}\:\mathrm{and}\:\mathrm{carbon}\:\mathrm{dioxide},\:\mathrm{all}\:\mathrm{at}\:\mathrm{the} \\ $$$$\mathrm{same}\:\mathrm{initial}\:\mathrm{temperature}\:\mathrm{and}\:\mathrm{pressure} \\ $$$$\mathrm{and}\:\mathrm{expanded}\:\mathrm{adiabatically}\:\mathrm{reversibally} \\ $$$$\mathrm{to}\:\mathrm{double}\:\mathrm{their}\:\mathrm{original}\:\mathrm{volumes},\:\mathrm{then} \\ $$$$\mathrm{which}\:\mathrm{one}\:\mathrm{of}\:\mathrm{these}\:\mathrm{gases}\:\mathrm{will}\:\mathrm{have}\:\mathrm{high} \\ $$$$\mathrm{temperature}\:\mathrm{as}\:\mathrm{final}\:\mathrm{temperature}? \\ $$ Terms…

0-pi-4-tanh-2x-dx-

Question Number 87861 by Rio Michael last updated on 06/Apr/20 $$\underset{\mathrm{0}} {\overset{\frac{\pi}{\mathrm{4}}} {\int}}\:\mathrm{tanh}\:\mathrm{2}{x}\:{dx} \\ $$ Commented by MJS last updated on 06/Apr/20 $$\mathrm{tanh}\:\mathrm{2}{x}\:=\frac{\mathrm{e}^{\mathrm{4}{x}} −\mathrm{1}}{\mathrm{e}^{\mathrm{4}{x}} +\mathrm{1}}…

A-string-of-negligible-mass-going-over-a-clamped-pulley-of-mass-m-supports-a-block-of-mass-M-The-force-on-the-pulley-by-the-clamp-is-given-by-

Question Number 22319 by Tinkutara last updated on 15/Oct/17 $$\mathrm{A}\:\mathrm{string}\:\mathrm{of}\:\mathrm{negligible}\:\mathrm{mass}\:\mathrm{going}\:\mathrm{over}\:\mathrm{a} \\ $$$$\mathrm{clamped}\:\mathrm{pulley}\:\mathrm{of}\:\mathrm{mass}\:{m}\:\mathrm{supports}\:\mathrm{a} \\ $$$$\mathrm{block}\:\mathrm{of}\:\mathrm{mass}\:{M}.\:\mathrm{The}\:\mathrm{force}\:\mathrm{on}\:\mathrm{the} \\ $$$$\mathrm{pulley}\:\mathrm{by}\:\mathrm{the}\:\mathrm{clamp}\:\mathrm{is}\:\mathrm{given}\:\mathrm{by} \\ $$ Commented by Tinkutara last updated on 15/Oct/17…

A-particle-moves-in-a-straight-line-along-x-axis-At-t-0-it-is-released-from-rest-at-x-a-Acceleration-of-the-particle-varies-as-d-2-x-dt-2-k-x-2-where-k-is-a-positive-constant-Time-r

Question Number 22304 by Tinkutara last updated on 15/Oct/17 $$\mathrm{A}\:\mathrm{particle}\:\mathrm{moves}\:\mathrm{in}\:\mathrm{a}\:\mathrm{straight}\:\mathrm{line}\:\mathrm{along} \\ $$$${x}-\mathrm{axis}.\:\mathrm{At}\:{t}\:=\:\mathrm{0},\:\mathrm{it}\:\mathrm{is}\:\mathrm{released}\:\mathrm{from} \\ $$$$\mathrm{rest}\:\mathrm{at}\:{x}\:=\:{a}.\:\mathrm{Acceleration}\:\mathrm{of}\:\mathrm{the} \\ $$$$\mathrm{particle}\:\mathrm{varies}\:\mathrm{as}\:\frac{{d}^{\mathrm{2}} {x}}{{dt}^{\mathrm{2}} }\:=\:−\frac{{k}}{{x}^{\mathrm{2}} }\:,\:\mathrm{where}\:{k} \\ $$$$\mathrm{is}\:\mathrm{a}\:\mathrm{positive}\:\mathrm{constant}. \\ $$$$\mathrm{Time}\:\mathrm{required}\:\mathrm{by}\:\mathrm{particle}\:\mathrm{to}\:\mathrm{reach}\:\mathrm{the} \\ $$$$\mathrm{origin}\:\mathrm{will}\:\mathrm{be}…

A-small-bead-of-mass-m-is-given-an-initial-velocity-of-magnitude-v-0-on-a-horizontal-circular-wire-If-the-coefficient-of-kinetic-friction-is-k-the-determine-the-distance-travelled-before-the-col

Question Number 22302 by Tinkutara last updated on 14/Oct/17 $$\mathrm{A}\:\mathrm{small}\:\mathrm{bead}\:\mathrm{of}\:\mathrm{mass}\:{m}\:\mathrm{is}\:\mathrm{given}\:\mathrm{an} \\ $$$$\mathrm{initial}\:\mathrm{velocity}\:\mathrm{of}\:\mathrm{magnitude}\:{v}_{\mathrm{0}} \:\mathrm{on}\:\mathrm{a} \\ $$$$\mathrm{horizontal}\:\mathrm{circular}\:\mathrm{wire}.\:\mathrm{If}\:\mathrm{the} \\ $$$$\mathrm{coefficient}\:\mathrm{of}\:\mathrm{kinetic}\:\mathrm{friction}\:\mathrm{is}\:\mu_{\mathrm{k}} ,\:\mathrm{the} \\ $$$$\mathrm{determine}\:\mathrm{the}\:\mathrm{distance}\:\mathrm{travelled}\:\mathrm{before} \\ $$$$\mathrm{the}\:\mathrm{collar}\:\mathrm{comes}\:\mathrm{to}\:\mathrm{rest}.\:\left(\mathrm{Given}\:\mathrm{that}\right. \\ $$$$\left.\mathrm{radius}\:\mathrm{of}\:\mathrm{circular}\:\mathrm{wire}\:\mathrm{is}\:{R}\right). \\…

If-a-certain-mass-of-gas-is-made-to-undergo-separately-adiabatic-and-isothermal-expansions-to-the-same-pressure-starting-from-the-same-initial-conditions-of-temperature-and-pressure-then-as-compared

Question Number 22299 by Tinkutara last updated on 14/Oct/17 $$\mathrm{If}\:\mathrm{a}\:\mathrm{certain}\:\mathrm{mass}\:\mathrm{of}\:\mathrm{gas}\:\mathrm{is}\:\mathrm{made}\:\mathrm{to} \\ $$$$\mathrm{undergo}\:\mathrm{separately}\:\mathrm{adiabatic}\:\mathrm{and} \\ $$$$\mathrm{isothermal}\:\mathrm{expansions}\:\mathrm{to}\:\mathrm{the}\:\mathrm{same} \\ $$$$\mathrm{pressure},\:\mathrm{starting}\:\mathrm{from}\:\mathrm{the}\:\mathrm{same}\:\mathrm{initial} \\ $$$$\mathrm{conditions}\:\mathrm{of}\:\mathrm{temperature}\:\mathrm{and}\:\mathrm{pressure}, \\ $$$$\mathrm{then}\:\mathrm{as}\:\mathrm{compared}\:\mathrm{to}\:\mathrm{that}\:\mathrm{of}\:\mathrm{isothermal} \\ $$$$\mathrm{expansion},\:\mathrm{in}\:\mathrm{the}\:\mathrm{case}\:\mathrm{of}\:\mathrm{adiabatic} \\ $$$$\mathrm{expansion},\:\mathrm{the}\:\mathrm{final} \\…

A-wire-which-passes-through-the-hole-in-a-small-bead-is-bent-in-the-form-of-quarter-of-a-circle-The-wire-is-fixed-vertically-on-ground-The-bead-is-released-from-near-the-top-of-the-wire-and-it-sli

Question Number 22286 by Tinkutara last updated on 14/Oct/17 $$\mathrm{A}\:\mathrm{wire},\:\mathrm{which}\:\mathrm{passes}\:\mathrm{through}\:\mathrm{the}\:\mathrm{hole} \\ $$$$\mathrm{in}\:\mathrm{a}\:\mathrm{small}\:\mathrm{bead},\:\mathrm{is}\:\mathrm{bent}\:\mathrm{in}\:\mathrm{the}\:\mathrm{form}\:\mathrm{of} \\ $$$$\mathrm{quarter}\:\mathrm{of}\:\mathrm{a}\:\mathrm{circle}.\:\mathrm{The}\:\mathrm{wire}\:\mathrm{is}\:\mathrm{fixed} \\ $$$$\mathrm{vertically}\:\mathrm{on}\:\mathrm{ground}.\:\mathrm{The}\:\mathrm{bead}\:\mathrm{is} \\ $$$$\mathrm{released}\:\mathrm{from}\:\mathrm{near}\:\mathrm{the}\:\mathrm{top}\:\mathrm{of}\:\mathrm{the}\:\mathrm{wire} \\ $$$$\mathrm{and}\:\mathrm{it}\:\mathrm{slides}\:\mathrm{along}\:\mathrm{the}\:\mathrm{wire}\:\mathrm{without} \\ $$$$\mathrm{friction}.\:\mathrm{As}\:\mathrm{the}\:\mathrm{bead}\:\mathrm{moves}\:\mathrm{from}\:{A}\:\mathrm{to}\:{B}, \\ $$$$\mathrm{the}\:\mathrm{force}\:\mathrm{it}\:\mathrm{applies}\:\mathrm{on}\:\mathrm{the}\:\mathrm{wire}\:{B}\:\mathrm{is} \\…

The-ionization-potential-of-hydrogen-is-13-6-eV-mole-Calculate-the-energy-in-kJ-required-to-produce-0-1-mole-of-H-ions-Given-1-eV-96-49-kJ-mol-1-

Question Number 22295 by Tinkutara last updated on 14/Oct/17 $$\mathrm{The}\:\mathrm{ionization}\:\mathrm{potential}\:\mathrm{of}\:\mathrm{hydrogen}\:\mathrm{is} \\ $$$$\mathrm{13}.\mathrm{6}\:\mathrm{eV}/\mathrm{mole}.\:\mathrm{Calculate}\:\mathrm{the}\:\mathrm{energy}\:\mathrm{in} \\ $$$$\mathrm{kJ}\:\mathrm{required}\:\mathrm{to}\:\mathrm{produce}\:\mathrm{0}.\mathrm{1}\:\mathrm{mole}\:\mathrm{of}\:\mathrm{H}^{+} \\ $$$$\left.\mathrm{ions}.\:\mathrm{Given},\:\mathrm{1}\:\mathrm{eV}\:=\:\mathrm{96}.\mathrm{49}\:\mathrm{kJ}\:\mathrm{mol}^{−\mathrm{1}} \right) \\ $$ Answered by ajfour last updated on…

Question-153345

Question Number 153345 by Jonathanwaweh last updated on 06/Sep/21 Answered by puissant last updated on 08/Sep/21 $$\rightarrow\:{premiere}\:{ligne}\:{on}\:{a}\:{une}\:{suite}\:{geometrique} \\ $$$${de}\:{raison}\:\mathrm{2}\:{donc}\:?=\mathrm{8} \\ $$$$\rightarrow\:{deuxieme}\:{ligne}\:{on}\:{a}\:{une}\:{succession}\: \\ $$$${de}\:\mathrm{1}\:{donc}\:?=\mathrm{1} \\ $$$$\rightarrow\:{troisieme}\:{ligne}\:{permutation}\:{de}\:\mathrm{0}\:{et}\:\mathrm{1}…

Reversible-melting-of-solid-benzene-at-1-atm-and-normal-melting-point-correspond-to-1-q-gt-0-2-w-lt-0-3-E-gt-0-4-All-of-these-

Question Number 22251 by Tinkutara last updated on 14/Oct/17 $$\mathrm{Reversible}\:\mathrm{melting}\:\mathrm{of}\:\mathrm{solid}\:\mathrm{benzene}\:\mathrm{at} \\ $$$$\mathrm{1}\:\mathrm{atm}\:\mathrm{and}\:\mathrm{normal}\:\mathrm{melting}\:\mathrm{point} \\ $$$$\mathrm{correspond}\:\mathrm{to} \\ $$$$\left(\mathrm{1}\right)\:\mathrm{q}\:>\:\mathrm{0} \\ $$$$\left(\mathrm{2}\right)\:\mathrm{w}\:<\:\mathrm{0} \\ $$$$\left(\mathrm{3}\right)\:\Delta\mathrm{E}\:>\:\mathrm{0} \\ $$$$\left(\mathrm{4}\right)\:\mathrm{All}\:\mathrm{of}\:\mathrm{these} \\ $$ Answered…