Question Number 74557 by ajfour last updated on 26/Nov/19
Commented by ajfour last updated on 26/Nov/19
$${In}\:{a}\:{fixed}\:{frictionless}\:{crucible} \\ $$$${in}\:{the}\:{form}\:{of}\:{hollow}\:{hemisphere}, \\ $$$${radius}\:{R},\:{a}\:{small}\:{mass}\:{m}\:{is}\: \\ $$$$\:{released}\:{with}\:{a}\:{string}\:\left({length}\right. \\ $$$$\left.\:{b}\:<\:\sqrt{\mathrm{2}}\:{R}\:\right)\:{attaching}\:{it}\:{to}\:{a}\:{point} \\ $$$$\:{on}\:{the}\:{circumference}\:{of}\:{crucible}. \\ $$$${Find}\:{time}\:{T}\:. \\ $$
Commented by mr W last updated on 16/Mar/21
$${see}\:{Q}\mathrm{135818} \\ $$
Answered by ajfour last updated on 26/Nov/19