Question Number 212936 by ajfour last updated on 27/Oct/24
Commented by ajfour last updated on 27/Oct/24
$${The}\:{region}\:{beyond}\:{half}\:{range}\:{of} \\ $$$${projectile}\:{hss}\:{a}\:{magnetic}\:\:{field} \\ $$$${switched}\:{on}.\:{Find}\:{this}\:{magnetic} \\ $$$${field}\:\bar {{B}}\:{such}\:{that}\:{the}\:{charged}\:\left({q},\:{m}\right) \\ $$$${projectile}\:{is}\:{made}\:\:{return}\:{home}. \\ $$