Question Number 87505 by Ar Brandon last updated on 04/Apr/20
Commented by MJS last updated on 04/Apr/20
$$\mathrm{the}\:\mathrm{same}\:\mathrm{old}\:\mathrm{question}\:\mathrm{the}\:\mathrm{1}.\mathrm{000}.\mathrm{000}.\mathrm{000th} \\ $$$$\mathrm{time}. \\ $$$$\mathrm{the}\:\mathrm{cable}\:\mathrm{hangs}\:\mathrm{down}\:\mathrm{40}\:\mathrm{meters}\:\mathrm{from}\:\mathrm{each} \\ $$$$\mathrm{pole}.\:\mathrm{if}\:\mathrm{the}\:\mathrm{cable}\:\mathrm{is}\:\mathrm{80}\:\mathrm{meters}\:\mathrm{long},\:\mathrm{there}'\mathrm{s} \\ $$$$\mathrm{no}\:\mathrm{length}\:\mathrm{left}\:\Rightarrow\:\mathrm{the}\:\mathrm{poles}\:\mathrm{have}\:\mathrm{distance}\:\mathrm{0} \\ $$
Commented by Ar Brandon last updated on 04/Apr/20
$${haha}\:!\:{Exactly}\: \\ $$
Commented by danger last updated on 05/Apr/20
$$\mathrm{60} \\ $$
Commented by mr W last updated on 05/Apr/20
$${but}\:{a}\:{freely}\:{hanging}\:{cable}\:{is}\:{a}\:{smooth} \\ $$$${curve},\:{not}\:{a}\:{straight}\:{or}\:{zigzag}\:{line}. \\ $$
Commented by danger last updated on 05/Apr/20
$$\approx\mathrm{60}\:{m} \\ $$
Commented by mr W last updated on 05/Apr/20
$${here}\:{it}\:{is}\:{a}\:{logic}\:{question}.\:{you}\:{don}'{t} \\ $$$${need}\:{to}\:{calculate},\:{but}\:{to}\:{think}.\:{this} \\ $$$${question}\:{should}\:{be}\:{answered}\:{correctly} \\ $$$${by}\:{everybody}. \\ $$$$ \\ $$$${but}\:{you}\:{must}\:{calculate},\:{if}\:{the}\:{cable}\:{is} \\ $$$${for}\:{example}\:\mathrm{100}\:{m}\:{long}.\:{and}\:{this} \\ $$$${can}\:{not}\:{be}\:{answered}\:{by}\:{everybody}.\:{you} \\ $$$${must}\:{understand}\:\:{some}\:{special} \\ $$$${mathematics}\:{to}\:{solve}\:{it}. \\ $$
Answered by danger last updated on 04/Apr/20
$$\mathrm{0} \\ $$