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Question-10023

Question Number 10023 by Tawakalitu ayo mi last updated on 21/Jan/17 Answered by ridwan balatif last updated on 21/Jan/17 $$\mathrm{6}.\mathrm{2}\:\:\mathrm{Ni}^{\mathrm{2}+} +\mathrm{2e}^{−} \rightarrow\mathrm{Ni}_{\left(\mathrm{s}\right)} \rightarrow\mathrm{reduction} \\ $$$$\:\:\:\:\:\:\:\:\:\mathrm{Zn}^{\mathrm{2}+}…

A-triangle-is-divided-into-four-triangles-and-three-quadrilaterals-by-three-straight-line-segments-for-figure-see-comment-below-The-sum-of-the-perimeters-of-the-three-quadri-laterals-is-25-cm-

Question Number 10006 by RasheedSoomro last updated on 20/Jan/17 $$\mathrm{A}\:\mathrm{triangle}\:\mathrm{is}\:\mathrm{divided}\:\mathrm{into}\:\mathrm{four}\:\mathrm{triangles} \\ $$$$\mathrm{and}\:\mathrm{three}\:\mathrm{quadrilaterals}\:\mathrm{by}\:\mathrm{three}\:\mathrm{straight} \\ $$$$\mathrm{line}\:\mathrm{segments}\left(\mathrm{for}\:\mathrm{figure}\:\mathrm{see}\:\mathrm{comment}\:\mathrm{below}\right). \\ $$$$ \\ $$$$\:^{\bullet} \mathrm{The}\:\mathrm{sum}\:\mathrm{of}\:\mathrm{the}\:\mathrm{perimeters}\:\mathrm{of}\:\mathrm{the}\:\mathrm{three}\:\mathrm{quadri}- \\ $$$$\mathrm{laterals}\:\mathrm{is}\:\mathrm{25}\:\mathrm{cm}. \\ $$$$\:^{\bullet} \mathrm{The}\:\mathrm{sum}\:\mathrm{of}\:\mathrm{the}\:\mathrm{perimeters}\:\mathrm{of}\:\mathrm{the}\:\mathrm{four}\:\mathrm{triangles} \\…

Question-9982

Question Number 9982 by Tawakalitu ayo mi last updated on 20/Jan/17 Answered by sandy_suhendra last updated on 20/Jan/17 $$\left(\mathrm{1a}\right)\:\mathrm{1}\:\mathrm{atm}=\mathrm{760}\:\mathrm{mmHg} \\ $$$$\:\:\:\:\:\:\:\:\:\:\mathrm{30}\:\mathrm{mmHg}=\frac{\mathrm{30}}{\mathrm{760}}\:\mathrm{atm}=\mathrm{0}.\mathrm{0395}\:\mathrm{atm} \\ $$$$\left(\mathrm{1b}\right)\:\mathrm{1}\:\mathrm{torr}=\mathrm{1}\:\mathrm{mmHg} \\ $$$$\:\:\:\:\:\:\:\:\:\:\mathrm{30}\:\mathrm{mmHg}=\mathrm{30}\:\mathrm{torr}…

Calculate-the-viscosity-of-water-flowing-steadily-between-two-parallel-plane-The-distance-between-the-plane-is-1-9km-the-third-plane-has-a-constant-viscosity-of-20-cm-sec-when-a-force-square-300N-m

Question Number 9969 by Tawakalitu ayo mi last updated on 20/Jan/17 $$\mathrm{Calculate}\:\mathrm{the}\:\mathrm{viscosity}\:\mathrm{of}\:\mathrm{water}\:\mathrm{flowing}\:\mathrm{steadily} \\ $$$$\mathrm{between}\:\mathrm{two}\:\mathrm{parallel}\:\mathrm{plane}.\:\mathrm{The}\:\mathrm{distance}\: \\ $$$$\mathrm{between}\:\mathrm{the}\:\mathrm{plane}\:\mathrm{is}\:\mathrm{1}.\mathrm{9km},\:\mathrm{the}\:\mathrm{third}\:\mathrm{plane} \\ $$$$\mathrm{has}\:\mathrm{a}\:\mathrm{constant}\:\mathrm{viscosity}\:\mathrm{of}\:\mathrm{20}\:\mathrm{cm}/\mathrm{sec}\:\mathrm{when}\:\mathrm{a} \\ $$$$\mathrm{force}\:\mathrm{square}\:\mathrm{300N}/\mathrm{m}^{\mathrm{3}} \:\mathrm{is}\:\mathrm{applied}. \\ $$ Terms of…

A-sound-wave-of-velocity-350-m-s-is-directed-towards-the-surface-of-water-If-the-ratio-of-the-wave-length-of-sound-in-water-to-that-in-air-is-425-100-calculate-the-velocity-of-the-wave-in-water-

Question Number 9954 by Tawakalitu ayo mi last updated on 18/Jan/17 $$\mathrm{A}\:\mathrm{sound}\:\mathrm{wave}\:\mathrm{of}\:\mathrm{velocity}\:\mathrm{350}\:\mathrm{m}/\mathrm{s}\:\mathrm{is}\:\mathrm{directed} \\ $$$$\mathrm{towards}\:\mathrm{the}\:\mathrm{surface}\:\mathrm{of}\:\mathrm{water}\:.\:\mathrm{If}\:\mathrm{the}\:\mathrm{ratio}\:\mathrm{of} \\ $$$$\mathrm{the}\:\mathrm{wave}\:\mathrm{length}\:\mathrm{of}\:\mathrm{sound}\:\mathrm{in}\:\mathrm{water}\:\mathrm{to}\:\mathrm{that}\:\mathrm{in}\: \\ $$$$\mathrm{air}\:\mathrm{is}\:\mathrm{425}:\mathrm{100},\:\mathrm{calculate}\:\mathrm{the}\:\mathrm{velocity}\:\mathrm{of}\:\mathrm{the}\: \\ $$$$\mathrm{wave}\:\mathrm{in}\:\mathrm{water}. \\ $$ Answered by sandy_suhendra…

Two-parallel-plate-capacitor-seperated-by-a-di-electric-of-thickness-5mm-They-acquire-a-charge-of-55-milli-coloumb-when-a-voltage-180-volt-is-connected-accross-them-calculate-electric-field-streng

Question Number 9936 by Tawakalitu ayo mi last updated on 16/Jan/17 $$\mathrm{Two}\:\mathrm{parallel}\:\mathrm{plate}\:\mathrm{capacitor}\:\mathrm{seperated}\:\mathrm{by}\:\mathrm{a} \\ $$$$\mathrm{di}\:\mathrm{electric}\:\mathrm{of}\:\mathrm{thickness}\:\mathrm{5mm}.\:\mathrm{They}\:\mathrm{acquire} \\ $$$$\mathrm{a}\:\mathrm{charge}\:\mathrm{of}\:\mathrm{55}\:\mathrm{milli}\:\mathrm{coloumb},\:\mathrm{when}\:\mathrm{a}\:\mathrm{voltage} \\ $$$$\mathrm{180}\:\mathrm{volt}\:\mathrm{is}\:\mathrm{connected}\:\mathrm{accross}\:\mathrm{them}.\: \\ $$$$\mathrm{calculate}\:\mathrm{electric}\:\mathrm{field}\:\mathrm{strength}. \\ $$ Terms of Service…

x-3y-6-2x-3y-12-

Question Number 9902 by sahidraja786md@gmail.com last updated on 14/Jan/17 $${x}+\mathrm{3}{y}=\mathrm{6}, \\ $$$$\mathrm{2}{x}−\mathrm{3}{y}=\mathrm{12} \\ $$ Answered by ridwan balatif last updated on 14/Jan/17 $$\mathrm{x}+\mathrm{3y}=\mathrm{6} \\ $$$$\mathrm{2x}−\mathrm{3y}=\mathrm{12}…