Question Number 107741 by 175mohamed last updated on 12/Aug/20 Commented by ZiYangLee last updated on 12/Aug/20 $$\mathrm{x}_{\mathrm{n}} =\left(\mathrm{a}^{\mathrm{2}} \right)^{\mathrm{1}−\mathrm{2}^{????} } \\ $$ Commented by 175mohamed…
Question Number 173245 by pete last updated on 08/Jul/22 $$\mathrm{The}\:\mathrm{ends}\:\boldsymbol{\mathrm{X}}\:\mathrm{and}\:\boldsymbol{\mathrm{Y}}\:\mathrm{of}\:\mathrm{an}\:\mathrm{inextensible}\:\mathrm{strings}\:\mathrm{27m} \\ $$$$\mathrm{long}\:\mathrm{are}\:\mathrm{fixed}\:\mathrm{at}\:\mathrm{two}\:\mathrm{points}\:\mathrm{on}\:\mathrm{the}\:\mathrm{same} \\ $$$$\mathrm{horizontal}\:\mathrm{line}\:\mathrm{which}\:\mathrm{are}\:\mathrm{20}\:\mathrm{m}\:\mathrm{apart}. \\ $$$$\mathrm{A}\:\mathrm{particle}\:\mathrm{of}\:\mathrm{mass}\:\mathrm{7}.\mathrm{5}\:\mathrm{kg}\:\mathrm{is}\:\mathrm{suspended} \\ $$$$\mathrm{from}\:\mathrm{a}\:\mathrm{point}\:\boldsymbol{\mathrm{P}}\:\mathrm{on}\:\mathrm{the}\:\mathrm{string}\:\mathrm{12}\:\mathrm{m}\:\mathrm{from}\:\boldsymbol{\mathrm{X}}. \\ $$$$\left(\mathrm{a}\right)\:\mathrm{Illustrate}\:\mathrm{this}\:\mathrm{information}\:\mathrm{in}\:\mathrm{a}\:\mathrm{diagram}. \\ $$$$\left(\mathrm{b}\right)\:\mathrm{calculate},\:\mathrm{correct}\:\mathrm{to}\:\boldsymbol{\mathrm{two}}\:\mathrm{decimal} \\ $$$$\mathrm{places},\:<\mathrm{YXP}\:\mathrm{and}\:<\mathrm{XYP}. \\…
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Question Number 42145 by Tawa1 last updated on 18/Aug/18 Commented by MrW3 last updated on 18/Aug/18 $${it}\:{moves}\:\mathrm{2}\:{meters}\:{in}\:\mathrm{8}\:{seconds}.\:{for} \\ $$$${the}\:{first}\:\mathrm{6}\:{meters}\:{it}\:{needs}\:\mathrm{24}\:{seconds}. \\ $$$${then}\:{it}\:{moves}\:\mathrm{5}\:{steps}\:{and}\:{falls}\:{into}\:{the} \\ $$$${pit}.\:{i}.{e}.\:{it}\:{falls}\:{into}\:{the}\:{pit}\:{after}\:\mathrm{29}\:{s}. \\ $$…
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Question Number 42058 by Rio Michael last updated on 17/Aug/18 $${Given}\:{that}\:\:\bar {\mathrm{x}}=\:\frac{\Sigma\mathrm{x}{i}}{{n}_{\mathrm{1}} }\:\:\:{and}\:\bar {{y}}=\:\frac{\Sigma{yi}}{{n}_{\mathrm{2}} } \\ $$$${show}\:{that}\: \\ $$$$\:\bar {\mathrm{x}}_{{c}} =\:\frac{{n}_{\mathrm{1}} \left(\bar {\mathrm{x}}\right)\:+\:{n}_{\mathrm{2}} \left(\bar {{y}}\right)}{{n}_{\mathrm{1}}…
Question Number 107533 by Rio Michael last updated on 11/Aug/20 $$\mathrm{The}\:\mathrm{position}\:\:\mathrm{as}\:\mathrm{a}\:\mathrm{function}\:\mathrm{of}\:\mathrm{time}\:{x}\left({t}\right)\:\mathrm{for}\:\mathrm{a}\:\mathrm{particle}\:\mathrm{in} \\ $$$$\mathrm{motion}\:\mathrm{is}\:\mathrm{given}\:\mathrm{as}\:\:{x}\left({t}\right)\:=\:\left(\mathrm{3}\:\mathrm{m}/\mathrm{s}^{\mathrm{2}} \right){t}^{\mathrm{2}} \:.\:\mathrm{Find}\:\mathrm{the}\:\mathrm{velocity} \\ $$$$\mathrm{of}\:\mathrm{this}\:\mathrm{particle}\:\mathrm{as}\:\mathrm{a}\:\mathrm{function}\:\mathrm{of}\:\mathrm{time}. \\ $$ Answered by Dwaipayan Shikari last updated…
Question Number 107512 by 1549442205PVT last updated on 11/Aug/20 $$\mathrm{I}\:\mathrm{seen}\:\mathrm{that}\:\mathrm{the}\:\mathrm{function} \\ $$$$\mathrm{insert}\:\mathrm{separator}\:\left(\mathrm{right}\:\mathrm{and}\:\mathrm{left}\right)\mathrm{don}'\mathrm{t}\: \\ $$$$\mathrm{work},\mathrm{ask}\:\mathrm{Titurkara}\:\mathrm{fix}\:\mathrm{this}\:\mathrm{problem}! \\ $$ Commented by Tinku Tara last updated on 11/Aug/20 $$\begin{vmatrix}{}&{}&{}\\{}&{}&{}\end{vmatrix}…
Question Number 41966 by Raj Singh last updated on 16/Aug/18 Answered by tanmay.chaudhury50@gmail.com last updated on 16/Aug/18 $${S}_{{p}} =\frac{{p}}{\mathrm{2}}\left[\mathrm{2}{a}+\left({p}−\mathrm{1}\right){d}\right] \\ $$$${S}_{{Q}} =\frac{{Q}}{\mathrm{2}}\left[\mathrm{2}{a}+\left({Q}−\mathrm{1}\right){d}\right] \\ $$$${given}\:\:{S}_{{p}} ={S}_{{Q}}…
Question Number 172991 by Enmohammadamiri last updated on 04/Jul/22 Answered by MJS_new last updated on 04/Jul/22 $$\mathrm{41} \\ $$ Answered by MJS_new last updated on…