Question Number 61612 by Tawa1 last updated on 05/Jun/19
Commented by MJS last updated on 05/Jun/19
$$\mathrm{a}\:\mathrm{hanging}\:\mathrm{rope}\:\mathrm{forms} \\ $$$${y}={a}\mathrm{cosh}\:\frac{{x}}{{a}} \\ $$$$\mathrm{if}\:\mathrm{we}\:\mathrm{put}\:\mathrm{the}\:\mathrm{towers}\:\:\mathrm{at}\:{x}=\pm\frac{{d}}{\mathrm{2}} \\ $$
Commented by mr W last updated on 06/Jun/19
$${under}\:{the}\:{given}\:{condition}\:{the} \\ $$$${distance}\:{between}\:{the}\:{towers}\:{must} \\ $$$${be}\:{zero}. \\ $$
Commented by Tawa1 last updated on 06/Jun/19
$$\mathrm{How}\:\mathrm{is}\:\mathrm{it}\:\mathrm{zero}\:\mathrm{sir}.\:\:\mathrm{Please}\:\mathrm{enlight}\:\mathrm{me}. \\ $$
Commented by Tawa1 last updated on 06/Jun/19
$$\mathrm{Zero}\:\mathrm{look}\:\mathrm{strange}. \\ $$
Commented by Tawa1 last updated on 06/Jun/19
$$\mathrm{And}\:\mathrm{what}\:\mathrm{condition}\:\mathrm{sir} \\ $$
Commented by mr W last updated on 06/Jun/19
$${look}\:{at}\:{the}\:{picture}: \\ $$$${the}\:{rope}\:{is}\:\mathrm{15}{m}\:{long}. \\ $$$${both}\:{ends}\:{of}\:{the}\:{rope}\:{are}\:\mathrm{7}.\mathrm{5}\:{m}\:{above} \\ $$$${the}\:{midpoint}\:{of}\:{the}\:{rope}. \\ $$$$\Rightarrow{both}\:{ends}\:{of}\:{rope}\:{must}\:{be}\:{at}\:{the} \\ $$$${same}\:{point},\:{i}.{e}.\:{the}\:{two}\:{towers}\:{must} \\ $$$${touch}\:{each}\:{other}. \\ $$
Commented by mr W last updated on 06/Jun/19
$${this}\:{is}\:{not}\:{a}\:{good}\:{question}. \\ $$$${it}\:{is}\:{a}\:{good}\:{question}\:{if}\:{the}\:{length}\:{of} \\ $$$${rope}\:{is}\:\mathrm{25}{m},\:{for}\:{example}. \\ $$